#31A0D3#31A0D3

#31A0D3 is a light, vivid cyan. Relative luminance 0.305; OKLCH L 66.7% C 0.122 H 233.3°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#31A0D3
RGB	rgb(49, 160, 211)
HSL	hsl(199, 65%, 51%)
HSV	hsv(199, 77%, 83%)
CMYK	cmyk(76.8%, 24.2%, 0%, 17.3%)
CIE-LAB	lab(62.08, -13.68, -34.77)
CIE-LCH	lch(62.08, 37.37, 248.52°)
OKLab	oklab(66.7% -0.0731 -0.098)
OKLCH	oklch(66.7% 0.122 233.3)
XYZ	xyz(25.5906, 30.4946, 66.1527)
Luminance	0.3050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A0D3 #D36431

analogous

#31D3B5 #31A0D3 #314FD3

triadic

#31A0D3 #D331A0 #A0D331

tetradic

#31A0D3 #B531D3 #D36431 #4FD331

square

#31A0D3 #B531D3 #D36431 #4FD331

split-complementary

#31A0D3 #D3314F #D3B531

monochromatic

#185571 #237BA4 #31A0D3 #63B7DE #96CFE9

Accessibility & contrast

On white

2.96

#31A0D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#31A0D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A0D3

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A0D3	#FFFFFF	#000000	##000000
##31A0D3	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879FD5

Deuteranopia (green-blind)

#718FD2

Tritanopia (blue-blind)

#00AEB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #31a0d3;
/* rgb */ color: rgb(49, 160, 211);
/* oklch */ color: oklch(66.7% 0.122 233.3);

Tailwind

colors: {
  custom: {
    50: '#81bce0',
    500: '#31a0d3',
    950: '#000000',
  },
}

SCSS

$custom: #31a0d3;
$custom-light: #81bce0;
$custom-dark: #000000;

JSON

{
  "hex": "#31a0d3",
  "rgb": {
    "r": 49,
    "g": 160,
    "b": 211
  },
  "hsl": {
    "h": 198.889,
    "s": 64.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.66698,
    "c": 0.12226,
    "h": 233.3
  },
  "luminance": 0.30498
}

Semantic roles & 50–950 ramp

primary

#31A0D3

secondary

#D4A38C

accent

#7540E8

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31A0D3

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

Preview Lab → · Contrast checker → · Palette generator →