#31A5BD#31A5BD

#31A5BD is a light, moderate cyan. Relative luminance 0.312; OKLCH L 66.9% C 0.105 H 214.9°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#31A5BD
RGB	rgb(49, 165, 189)
HSL	hsl(190, 59%, 47%)
HSV	hsv(190, 74%, 74%)
CMYK	cmyk(74.1%, 12.7%, 0%, 25.9%)
CIE-LAB	lab(62.71, -23.64, -21.53)
CIE-LCH	lch(62.71, 31.98, 222.33°)
OKLab	oklab(66.91% -0.0862 -0.06)
OKLCH	oklch(66.91% 0.105 214.9)
XYZ	xyz(23.9032, 31.2345, 52.9033)
Luminance	0.3124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A5BD #BD4931

analogous

#31BD8F #31A5BD #315FBD

triadic

#31A5BD #BD31A5 #A5BD31

tetradic

#31A5BD #8F31BD #BD4931 #5FBD31

square

#31A5BD #8F31BD #BD4931 #5FBD31

split-complementary

#31A5BD #BD315F #BD8F31

monochromatic

#18505C #247B8C #31A5BD #58BED4 #88D1E0

Accessibility & contrast

On white

2.90

#31A5BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#31A5BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A5BD

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A5BD	#FFFFFF	#000000	##000000
##31A5BD	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A0BE

Deuteranopia (green-blind)

#8192BD

Tritanopia (blue-blind)

#00AEAC

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #31a5bd;
/* rgb */ color: rgb(49, 165, 189);
/* oklch */ color: oklch(66.9% 0.105 214.9);

Tailwind

colors: {
  custom: {
    50: '#7ec0d1',
    500: '#31a5bd',
    950: '#000000',
  },
}

SCSS

$custom: #31a5bd;
$custom-light: #7ec0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#31a5bd",
  "rgb": {
    "r": 49,
    "g": 165,
    "b": 189
  },
  "hsl": {
    "h": 190.286,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66912,
    "c": 0.10504,
    "h": 214.9
  },
  "luminance": 0.31237
}

Semantic roles & 50–950 ramp

primary

#31A5BD

secondary

#CA8D80

accent

#6146E2

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0B1214

muted

#7C8182

Preview Lab

Preview with #31A5BD

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

Preview Lab → · Contrast checker → · Palette generator →