#313237#313237

#313237 is a dark, near-neutral grey. Relative luminance 0.032; OKLCH L 31.8% C 0.009 H 276.9°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#313237
RGB	rgb(49, 50, 55)
HSL	hsl(230, 6%, 20%)
HSV	hsv(230, 11%, 22%)
CMYK	cmyk(10.9%, 9.1%, 0%, 78.4%)
CIE-LAB	lab(20.87, 0.79, -3.31)
CIE-LCH	lch(20.87, 3.40, 283.41°)
OKLab	oklab(31.81% 0.0011 -0.0089)
OKLCH	oklch(31.81% 0.009 276.9)
XYZ	xyz(3.0967, 3.2100, 4.0701)
Luminance	0.0321 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313237 #373631

analogous

#313537 #313237 #333137

triadic

#313237 #373132 #323731

tetradic

#313237 #373135 #373631 #313733

square

#313237 #373135 #373631 #313733

split-complementary

#313237 #373331 #353731

monochromatic

#0E0F10 #141517 #313237 #4E4F57 #6B6D78

Accessibility & contrast

On white

12.79

#313237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#313237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313237

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313237	#FFFFFF	#000000	##FFFFFF
##313237	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313237

Deuteranopia (green-blind)

#303237

Tritanopia (blue-blind)

#303334

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #313237;
/* rgb */ color: rgb(49, 50, 55);
/* oklch */ color: oklch(31.8% 0.009 276.9);

Tailwind

colors: {
  custom: {
    50: '#69696d',
    500: '#313237',
    950: '#000000',
  },
}

SCSS

$custom: #313237;
$custom-light: #69696d;
$custom-dark: #000000;

JSON

{
  "hex": "#313237",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 230,
    "s": 5.769,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31809,
    "c": 0.00895,
    "h": 276.9
  },
  "luminance": 0.0321
}

Semantic roles & 50–950 ramp

primary

#313237

secondary

#66655E

accent

#A679AF

background

#F6F6F6

surface

#EBEBEB

border

#C6C6C6

text

#060607

muted

#7A7A7A

Preview Lab

Preview with #313237

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

Preview Lab → · Contrast checker → · Palette generator →