#31B0CC#31B0CC

#31B0CC is a light, moderate cyan. Relative luminance 0.361; OKLCH L 70.2% C 0.113 H 216.3°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#31B0CC
RGB	rgb(49, 176, 204)
HSL	hsl(191, 61%, 50%)
HSV	hsv(191, 76%, 80%)
CMYK	cmyk(76%, 13.7%, 0%, 20%)
CIE-LAB	lab(66.57, -24.44, -23.96)
CIE-LCH	lch(66.57, 34.23, 224.43°)
OKLab	oklab(70.2% -0.0909 -0.0669)
OKLCH	oklch(70.2% 0.113 216.3)
XYZ	xyz(27.6864, 36.0599, 62.6161)
Luminance	0.3606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B0CC #CC4D31

analogous

#31CC9B #31B0CC #3162CC

triadic

#31B0CC #CC31B0 #B0CC31

tetradic

#31B0CC #9B31CC #CC4D31 #62CC31

square

#31B0CC #9B31CC #CC4D31 #62CC31

split-complementary

#31B0CC #CC3162 #CC9B31

monochromatic

#195B69 #25859B #31B0CC #61C3D9 #92D6E5

Accessibility & contrast

On white

2.56

#31B0CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#31B0CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B0CC

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B0CC	#FFFFFF	#000000	##000000
##31B0CC	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DABCE

Deuteranopia (green-blind)

#889BCC

Tritanopia (blue-blind)

#00BAB9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #31b0cc;
/* rgb */ color: rgb(49, 176, 204);
/* oklch */ color: oklch(70.2% 0.113 216.3);

Tailwind

colors: {
  custom: {
    50: '#81c8db',
    500: '#31b0cc',
    950: '#000000',
  },
}

SCSS

$custom: #31b0cc;
$custom-light: #81c8db;
$custom-dark: #000000;

JSON

{
  "hex": "#31b0cc",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 204
  },
  "hsl": {
    "h": 190.839,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.70201,
    "c": 0.11289,
    "h": 216.3
  },
  "luminance": 0.36063
}

Semantic roles & 50–950 ramp

primary

#31B0CC

secondary

#D09689

accent

#6143E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #31B0CC

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

Preview Lab → · Contrast checker → · Palette generator →