#313138#313138

#313138 is a dark, near-neutral grey. Relative luminance 0.031; OKLCH L 31.6% C 0.012 H 285.7°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#313138
RGB	rgb(49, 49, 56)
HSL	hsl(240, 7%, 21%)
HSV	hsv(240, 13%, 22%)
CMYK	cmyk(12.5%, 12.5%, 0%, 78%)
CIE-LAB	lab(20.58, 1.72, -4.42)
CIE-LCH	lch(20.58, 4.75, 291.28°)
OKLab	oklab(31.6% 0.0033 -0.0119)
OKLCH	oklch(31.6% 0.012 285.7)
XYZ	xyz(3.0786, 3.1351, 4.1836)
Luminance	0.0314 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313138 #383831

analogous

#313438 #313138 #343138

triadic

#313138 #383131 #313831

tetradic

#313138 #383134 #383831 #313834

square

#313138 #383134 #383831 #313834

split-complementary

#313138 #383431 #343831

monochromatic

#0E0E10 #141417 #313138 #4E4E59 #6A6A79

Accessibility & contrast

On white

12.91

#313138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#313138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313138

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313138	#FFFFFF	#000000	##FFFFFF
##313138	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3238

Deuteranopia (green-blind)

#2F3138

Tritanopia (blue-blind)

#303233

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #313138;
/* rgb */ color: rgb(49, 49, 56);
/* oklch */ color: oklch(31.6% 0.012 285.7);

Tailwind

colors: {
  custom: {
    50: '#69696e',
    500: '#313138',
    950: '#000000',
  },
}

SCSS

$custom: #313138;
$custom-light: #69696e;
$custom-dark: #000000;

JSON

{
  "hex": "#313138",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 240,
    "s": 6.667,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31595,
    "c": 0.01238,
    "h": 285.7
  },
  "luminance": 0.03135
}

Semantic roles & 50–950 ramp

primary

#313138

secondary

#67675E

accent

#B078B0

background

#F6F6F6

surface

#EBEBEB

border

#C6C6C6

text

#060607

muted

#7A7A7A

Preview Lab

Preview with #313138

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

Preview Lab → · Contrast checker → · Palette generator →