Cyan / Teal color · XKCD survey name

Sea Color Code: #3C9992

The HEX code for Sea is #3C9992. It is a medium-dark, soft cyan color made of 60 red, 153 green and 146 blue (HSL 175°, 44%, 42%). Black text reads best on it (6.16:1 contrast).

Sea color values

HEX #3C9992
RGB rgb(60, 153, 146)
HSL hsl(175, 44%, 42%)
HSV 175, 61%, 60%
HWB hwb(175 24% 40%)
CMYK 61%, 0%, 5%, 40%
Decimal 3971474
42%HSL lightness (medium-dark)
44%HSL saturation (soft)
175°Hue angle (cyan)
0.258Relative luminance

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

What is Sea?

“Sea” 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 175° places it in the cyan part of the color wheel, with 44% saturation (soft) and 42% lightness (medium-dark). It is a cool color.

Compared with the other cyan / teal colors in the Aqeeb Studio library, it is lighter than 42% of them and more saturated than 8% of them.

Its relative luminance is 0.258, 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.

Sea counts as a light color: its HSL lightness is 42% and its relative luminance is 0.258. Black text reads best on it (6.16:1 contrast).

Text contrast on Sea

WCAG contrast of white and black text on Sea
TextPreviewRatioAA normalAA largeAAA normalAAA large
White text Sample text 3.40:1 Limited Fail Pass Fail Fail
Black text Sample text 6.16:1 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 Sea

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.

#143230#143230
#286661#286661
#3C9992#3C9992
#5DBFB8#5DBFB8
#90D4CE#90D4CE

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 Sea

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 Sea

  • Card, highlight and section backgrounds with dark text (6.16:1 contrast with black)
  • Large headings, icons and graphics, where a 3:1 contrast ratio is enough
  • Data-visualization series
  • Info states and links
  • Technology and water-themed graphics
  • Fresh accents against warm colors

Use Sea in CSS

:root {
  --color-sea: #3C9992;
}

.element {
  color: var(--color-sea);
  background-color: #3C9992;
  border: 2px solid #3C9992;
}

Questions about Sea

What is the HEX code for Sea?

Sea is #3C9992.

What is the RGB value of Sea?

The RGB value of Sea is 60, 153, 146: 60 red, 153 green and 146 blue on a 0–255 scale, written rgb(60, 153, 146) in CSS.

What is the HSL value of Sea?

The HSL value of Sea is 175°, 44%, 42% (hue, saturation, lightness), written hsl(175, 44%, 42%) in CSS.

What is the CMYK value of Sea?

A standard conversion gives about C 61%, M 0%, Y 5%, K 40%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.

Is Sea a light or dark color?

Sea counts as a light color: its HSL lightness is 42% and its relative luminance is 0.258. Black text reads best on it (6.16:1 contrast).

How does Sea look with white text?

White text on Sea has a contrast ratio of 3.40:1, rated Limited. It does not reach WCAG AA for normal text; use large text only.

How does Sea look with black text?

Black text on Sea has a contrast ratio of 6.16:1, rated Good. It meets WCAG AA for normal text.

What colors go well with Sea?

Light Maroon is its complementary color, and Sea Green sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.

Where can Sea be used?

It suits card, highlight and section backgrounds with dark text (6.16:1 contrast with black); large headings, icons and graphics, where a 3:1 contrast ratio is enough; data-visualization series.

How do I use Sea in CSS?

Use color: #3C9992; for text, background-color: #3C9992; for fills, or define a custom property such as --color-sea: #3C9992; and reuse it with var(--color-sea).

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.