Blue color · XKCD survey name

Vivid Blue Color Code: #152EFF

Vivid Blue (#152EFF) is a medium, vivid blue shade: RGB 21, 46, 255, HSL 234°, 100%, 54%. White text reads comfortably on it (7.32:1 contrast).

Vivid Blue color values

HEX #152EFF
RGB rgb(21, 46, 255)
HSL hsl(234, 100%, 54%)
HSV 234, 92%, 100%
HWB hwb(234 8% 0%)
CMYK 92%, 82%, 0%, 0%
Decimal 1388287
54%HSL lightness (medium)
100%HSL saturation (vivid)
234°Hue angle (blue)
0.093Relative luminance

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

What is Vivid Blue?

“Vivid 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 234° places it in the blue part of the color wheel, with 100% saturation (vivid) and 54% lightness (medium). It is a cool color.

Compared with the other blue colors in the Aqeeb Studio library, it is lighter than 66% of them and more saturated than 87% of them.

Its relative luminance is 0.093, which makes it a dark color. That is below the 0.179 crossover point at which black and white text have equal contrast, so white text has the advantage.

Vivid Blue counts as a dark color: its HSL lightness is 54% and its relative luminance is 0.093. White text reads comfortably on it (7.32:1 contrast).

Text contrast on Vivid Blue

WCAG contrast of white and black text on Vivid Blue
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 7.32:1 Excellent Pass Pass Pass Pass
Black text Sample text 2.86:1 Poor Fail Fail Fail Fail

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

Colors that go with Vivid 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.

#000E85#000E85
#0016CD#0016CD
#152EFF#152EFF
#5C6EFF#5C6EFF
#A4AEFF#A4AEFF

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 Vivid 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 Vivid Blue

  • Button, banner and badge backgrounds with white text (7.32:1 contrast)
  • Accents that need to stand out: call-to-action buttons, charts and illustrations
  • Corporate, finance and software branding
  • Headers and navigation bars
  • Charts and dashboards
  • Links, buttons and primary interface accents

Use Vivid Blue in CSS

:root {
  --color-vivid-blue: #152EFF;
}

.element {
  color: var(--color-vivid-blue);
  background-color: #152EFF;
  border: 2px solid #152EFF;
}

Questions about Vivid Blue

What is the HEX code for Vivid Blue?

Vivid Blue is #152EFF.

What is the RGB value of Vivid Blue?

The RGB value of Vivid Blue is 21, 46, 255: 21 red, 46 green and 255 blue on a 0–255 scale, written rgb(21, 46, 255) in CSS.

What is the HSL value of Vivid Blue?

The HSL value of Vivid Blue is 234°, 100%, 54% (hue, saturation, lightness), written hsl(234, 100%, 54%) in CSS.

What is the CMYK value of Vivid Blue?

A standard conversion gives about C 92%, M 82%, Y 0%, K 0%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Vivid Blue a light or dark color?

Vivid Blue counts as a dark color: its HSL lightness is 54% and its relative luminance is 0.093. White text reads comfortably on it (7.32:1 contrast).

How does Vivid Blue look with white text?

White text on Vivid Blue has a contrast ratio of 7.32:1, rated Excellent. It meets WCAG AA for normal text.

How does Vivid Blue look with black text?

Black text on Vivid Blue has a contrast ratio of 2.86:1, rated Poor. It falls below the WCAG minimum for text.

What colors go well with Vivid Blue?

Dandelion is its complementary color, and Dark Sky Blue sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Vivid Blue be used?

It suits button, banner and badge backgrounds with white text (7.32:1 contrast); accents that need to stand out: call-to-action buttons, charts and illustrations; corporate, finance and software branding.

How do I use Vivid Blue in CSS?

Use color: #152EFF; for text, background-color: #152EFF; for fills, or define a custom property such as --color-vivid-blue: #152EFF; and reuse it with var(--color-vivid-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.