Blue color · XKCD survey name

Water Blue Color Code: #0E87CC

The HEX code for Water Blue is #0E87CC. It is a medium-dark, vivid azure color made of 14 red, 135 green and 204 blue (HSL 202°, 87%, 43%). Black text reads best on it (5.35:1 contrast).

Water Blue color values

HEX #0E87CC
RGB rgb(14, 135, 204)
HSL hsl(202, 87%, 43%)
HSV 202, 93%, 80%
HWB hwb(202 5% 20%)
CMYK 93%, 34%, 0%, 20%
Decimal 952268
43%HSL lightness (medium-dark)
87%HSL saturation (vivid)
202°Hue angle (azure)
0.218Relative luminance

CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.

What is Water Blue?

“Water Blue” is a crowd-sourced name from the XKCD Color Survey, in which participants typed names for colors they were shown. It is a popular everyday label rather than an official standard.

Its hue angle of 202° places it in the azure part of the color wheel, with 87% saturation (vivid) and 43% lightness (medium-dark). It is a cool color.

Compared with the other blue colors in the Aqeeb Studio library, it is lighter than 39% of them and more saturated than 47% of them.

Its relative luminance is 0.218, which makes it a mid-tone color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.

Water Blue counts as a light color: its HSL lightness is 43% and its relative luminance is 0.218. Black text reads best on it (5.35:1 contrast).

Text contrast on Water Blue

WCAG contrast of white and black text on Water Blue
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 3.92:1 Limited Fail Pass Fail Fail
Black text Sample text 5.35:1 Good Pass Pass Fail Pass

Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.

Colors that go with Water Blue

Complementary color

Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.

Analogous colors

Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.

Triadic colors

A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.

Split-complementary colors

Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.

Tetradic colors

A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.

Monochromatic variants

Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.

#052F46#052F46
#095B89#095B89
#0E87CC#0E87CC
#31ABF1#31ABF1
#73C6F5#73C6F5

A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.

Tints and shades of Water Blue

Lighter tints (mixed with white)

Darker shades (mixed with black)

Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.

Where to use Water Blue

  • Card, highlight and section backgrounds with dark text (5.35:1 contrast with black)
  • Accents that need to stand out: call-to-action buttons, charts and illustrations
  • Large headings, icons and graphics, where a 3:1 contrast ratio is enough
  • Corporate, finance and software branding
  • Headers and navigation bars
  • Charts and dashboards

Use Water Blue in CSS

:root {
  --color-water-blue: #0E87CC;
}

.element {
  color: var(--color-water-blue);
  background-color: #0E87CC;
  border: 2px solid #0E87CC;
}

Questions about Water Blue

What is the HEX code for Water Blue?

Water Blue is #0E87CC.

What is the RGB value of Water Blue?

The RGB value of Water Blue is 14, 135, 204: 14 red, 135 green and 204 blue on a 0–255 scale, written rgb(14, 135, 204) in CSS.

What is the HSL value of Water Blue?

The HSL value of Water Blue is 202°, 87%, 43% (hue, saturation, lightness), written hsl(202, 87%, 43%) in CSS.

What is the CMYK value of Water Blue?

A standard conversion gives about C 93%, M 34%, Y 0%, K 20%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Water Blue a light or dark color?

Water Blue counts as a light color: its HSL lightness is 43% and its relative luminance is 0.218. Black text reads best on it (5.35:1 contrast).

How does Water Blue look with white text?

White text on Water Blue has a contrast ratio of 3.92:1, rated Limited. It does not reach WCAG AA for normal text; use large text only.

How does Water Blue look with black text?

Black text on Water Blue has a contrast ratio of 5.35:1, rated Good. It meets WCAG AA for normal text.

What colors go well with Water Blue?

Rusty Orange is its complementary color, and Turquoise sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Water Blue be used?

It suits card, highlight and section backgrounds with dark text (5.35:1 contrast with black); accents that need to stand out: call-to-action buttons, charts and illustrations; large headings, icons and graphics, where a 3:1 contrast ratio is enough.

How do I use Water Blue in CSS?

Use color: #0E87CC; for text, background-color: #0E87CC; for fills, or define a custom property such as --color-water-blue: #0E87CC; and reuse it with var(--color-water-blue).

About this color page

Crowd-sourced name from the XKCD Color Survey (CC0). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.