#31B2D0#31B2D0

#31B2D0 is a light, moderate cyan. Relative luminance 0.370; OKLCH L 70.8% C 0.115 H 217.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#31B2D0
RGB	rgb(49, 178, 208)
HSL	hsl(191, 63%, 50%)
HSV	hsv(191, 76%, 82%)
CMYK	cmyk(76.4%, 14.4%, 0%, 18.4%)
CIE-LAB	lab(67.31, -24.17, -25.03)
CIE-LCH	lch(67.31, 34.79, 226.00°)
OKLab	oklab(70.85% -0.0913 -0.0699)
OKLCH	oklch(70.85% 0.115 217.5)
XYZ	xyz(28.5674, 37.0443, 65.3069)
Luminance	0.3705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B2D0 #D04F31

analogous

#31D09F #31B2D0 #3162D0

triadic

#31B2D0 #D031B2 #B2D031

tetradic

#31B2D0 #9F31D0 #D04F31 #62D031

square

#31B2D0 #9F31D0 #D04F31 #62D031

split-complementary

#31B2D0 #D03162 #D09F31

monochromatic

#195E6E #24889F #31B2D0 #63C5DB #95D7E7

Accessibility & contrast

On white

2.50

#31B2D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#31B2D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B2D0

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B2D0	#FFFFFF	#000000	##000000
##31B2D0	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EADD2

Deuteranopia (green-blind)

#899DD0

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #31b2d0;
/* rgb */ color: rgb(49, 178, 208);
/* oklch */ color: oklch(70.8% 0.115 217.5);

Tailwind

colors: {
  custom: {
    50: '#82c9de',
    500: '#31b2d0',
    950: '#000000',
  },
}

SCSS

$custom: #31b2d0;
$custom-light: #82c9de;
$custom-dark: #000000;

JSON

{
  "hex": "#31b2d0",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 208
  },
  "hsl": {
    "h": 191.321,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.70849,
    "c": 0.11498,
    "h": 217.5
  },
  "luminance": 0.37048
}

Semantic roles & 50–950 ramp

primary

#31B2D0

secondary

#D2988B

accent

#6142E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31B2D0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →