#313337#313337

#313337 is a dark, near-neutral grey. Relative luminance 0.033; OKLCH L 32.1% C 0.008 H 264.5°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#313337
RGB	rgb(49, 51, 55)
HSL	hsl(220, 6%, 20%)
HSV	hsv(220, 11%, 22%)
CMYK	cmyk(10.9%, 7.3%, 0%, 78.4%)
CIE-LAB	lab(21.19, 0.12, -2.82)
CIE-LCH	lch(21.19, 2.83, 272.34°)
OKLab	oklab(32.07% -0.0007 -0.0076)
OKLCH	oklch(32.07% 0.008 264.5)
XYZ	xyz(3.1399, 3.2964, 4.0845)
Luminance	0.0330 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313337 #373531

analogous

#313637 #313337 #323137

triadic

#313337 #373133 #333731

tetradic

#313337 #373136 #373531 #313732

square

#313337 #373136 #373531 #313732

split-complementary

#313337 #373231 #363731

monochromatic

#0E0F10 #141517 #313337 #4E5157 #6B6F78

Accessibility & contrast

On white

12.66

#313337 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#313337 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313337

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313337	#FFFFFF	#000000	##FFFFFF
##313337	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323337

Deuteranopia (green-blind)

#313337

Tritanopia (blue-blind)

#303434

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #313337;
/* rgb */ color: rgb(49, 51, 55);
/* oklch */ color: oklch(32.1% 0.008 264.5);

Tailwind

colors: {
  custom: {
    50: '#696a6d',
    500: '#313337',
    950: '#000000',
  },
}

SCSS

$custom: #313337;
$custom-light: #696a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#313337",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 55
  },
  "hsl": {
    "h": 220,
    "s": 5.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.32066,
    "c": 0.00762,
    "h": 264.5
  },
  "luminance": 0.03296
}

Semantic roles & 50–950 ramp

primary

#313337

secondary

#66635E

accent

#9D79AF

background

#F6F6F6

surface

#EBEBEB

border

#C6C6C6

text

#060607

muted

#7A7A7A

Preview Lab

Preview with #313337

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

Preview Lab → · Contrast checker → · Palette generator →