#31A9D0#31A9D0

#31A9D0 is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.7% C 0.116 H 224.7°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#31A9D0
RGB	rgb(49, 169, 208)
HSL	hsl(195, 63%, 50%)
HSV	hsv(195, 76%, 82%)
CMYK	cmyk(76.4%, 18.8%, 0%, 18.4%)
CIE-LAB	lab(64.63, -19.52, -29.16)
CIE-LCH	lch(64.63, 35.09, 236.20°)
OKLab	oklab(68.69% -0.0827 -0.0817)
OKLCH	oklch(68.69% 0.116 224.7)
XYZ	xyz(26.8350, 33.5797, 64.7295)
Luminance	0.3358 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A9D0 #D05831

analogous

#31D0A7 #31A9D0 #3159D0

triadic

#31A9D0 #D031A9 #A9D031

tetradic

#31A9D0 #A731D0 #D05831 #59D031

square

#31A9D0 #A731D0 #D05831 #59D031

split-complementary

#31A9D0 #D03159 #D0A731

monochromatic

#19596E #24819F #31A9D0 #63BEDB #95D3E7

Accessibility & contrast

On white

2.72

#31A9D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#31A9D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A9D0

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A9D0	#FFFFFF	#000000	##000000
##31A9D0	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A5D2

Deuteranopia (green-blind)

#7E96D0

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31a9d0;
/* rgb */ color: rgb(49, 169, 208);
/* oklch */ color: oklch(68.7% 0.116 224.7);

Tailwind

colors: {
  custom: {
    50: '#81c2de',
    500: '#31a9d0',
    950: '#000000',
  },
}

SCSS

$custom: #31a9d0;
$custom-light: #81c2de;
$custom-dark: #000000;

JSON

{
  "hex": "#31a9d0",
  "rgb": {
    "r": 49,
    "g": 169,
    "b": 208
  },
  "hsl": {
    "h": 194.717,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.68695,
    "c": 0.11629,
    "h": 224.7
  },
  "luminance": 0.33583
}

Semantic roles & 50–950 ramp

primary

#31A9D0

secondary

#D29C8B

accent

#6A42E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #31A9D0

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

Preview Lab → · Contrast checker → · Palette generator →