#31373D#31373D

#31373D is a dark, near-neutral cyan. Relative luminance 0.037; OKLCH L 33.3% C 0.013 H 248.2°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#31373D
RGB	rgb(49, 55, 61)
HSL	hsl(210, 11%, 22%)
HSV	hsv(210, 20%, 24%)
CMYK	cmyk(19.7%, 9.8%, 0%, 76.1%)
CIE-LAB	lab(22.73, -1.00, -4.60)
CIE-LCH	lch(22.73, 4.71, 257.78°)
OKLab	oklab(33.35% -0.005 -0.0124)
OKLCH	oklch(33.35% 0.013 248.2)
XYZ	xyz(3.4749, 3.7222, 4.9493)
Luminance	0.0372 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31373D #3D3731

analogous

#313D3D #31373D #31313D

triadic

#31373D #3D3137 #373D31

tetradic

#31373D #3D313D #3D3731 #313D31

square

#31373D #3D313D #3D3731 #313D31

split-complementary

#31373D #3D3131 #3D3D31

monochromatic

#0E0F11 #16181B #31373D #4C565F #687481

Accessibility & contrast

On white

12.04

#31373D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#31373D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31373D

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31373D	#FFFFFF	#000000	##FFFFFF
##31373D	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373D

Deuteranopia (green-blind)

#33363D

Tritanopia (blue-blind)

#2E3839

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31373d;
/* rgb */ color: rgb(49, 55, 61);
/* oklch */ color: oklch(33.3% 0.013 248.2);

Tailwind

colors: {
  custom: {
    50: '#696d72',
    500: '#31373d',
    950: '#000000',
  },
}

SCSS

$custom: #31373d;
$custom-light: #696d72;
$custom-dark: #000000;

JSON

{
  "hex": "#31373d",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 61
  },
  "hsl": {
    "h": 210,
    "s": 10.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.33347,
    "c": 0.01341,
    "h": 248.2
  },
  "luminance": 0.03722
}

Semantic roles & 50–950 ramp

primary

#31373D

secondary

#6D655D

accent

#9474B4

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #31373D

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

Preview Lab → · Contrast checker → · Palette generator →