#31A3BD#31A3BD

#31A3BD is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.4% C 0.105 H 216.7°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#31A3BD
RGB	rgb(49, 163, 189)
HSL	hsl(191, 59%, 47%)
HSV	hsv(191, 74%, 74%)
CMYK	cmyk(74.1%, 13.8%, 0%, 25.9%)
CIE-LAB	lab(62.10, -22.61, -22.46)
CIE-LCH	lch(62.10, 31.87, 224.80°)
OKLab	oklab(66.42% -0.0842 -0.0627)
OKLCH	oklch(66.42% 0.105 216.7)
XYZ	xyz(23.5452, 30.5187, 52.7840)
Luminance	0.3052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A3BD #BD4B31

analogous

#31BD91 #31A3BD #315DBD

triadic

#31A3BD #BD31A3 #A3BD31

tetradic

#31A3BD #9131BD #BD4B31 #5DBD31

square

#31A3BD #9131BD #BD4B31 #5DBD31

split-complementary

#31A3BD #BD315D #BD9131

monochromatic

#184F5C #24798C #31A3BD #58BDD4 #88D0E0

Accessibility & contrast

On white

2.96

#31A3BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#31A3BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A3BD

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A3BD	#FFFFFF	#000000	##000000
##31A3BD	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)

#929EBE

Deuteranopia (green-blind)

#7F90BD

Tritanopia (blue-blind)

#00ACAB

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #31a3bd;
/* rgb */ color: rgb(49, 163, 189);
/* oklch */ color: oklch(66.4% 0.105 216.7);

Tailwind

colors: {
  custom: {
    50: '#7ebed1',
    500: '#31a3bd',
    950: '#000000',
  },
}

SCSS

$custom: #31a3bd;
$custom-light: #7ebed1;
$custom-dark: #000000;

JSON

{
  "hex": "#31a3bd",
  "rgb": {
    "r": 49,
    "g": 163,
    "b": 189
  },
  "hsl": {
    "h": 191.143,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66424,
    "c": 0.10497,
    "h": 216.7
  },
  "luminance": 0.30521
}

Semantic roles & 50–950 ramp

primary

#31A3BD

secondary

#CA8E80

accent

#6346E2

background

#F8FBFC

surface

#EFF7F9

border

#CAD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #31A3BD

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

Preview Lab → · Contrast checker → · Palette generator →