#310B18#310B18

#310B18 is a very dark, moderate pink. Relative luminance 0.010; OKLCH L 22.1% C 0.063 H 2.7°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#310B18
RGB	rgb(49, 11, 24)
HSL	hsl(339, 63%, 12%)
HSV	hsv(339, 78%, 19%)
CMYK	cmyk(0%, 77.6%, 51%, 80.8%)
CIE-LAB	lab(8.64, 20.62, 1.06)
CIE-LCH	lch(8.64, 20.65, 2.94°)
OKLab	oklab(22.06% 0.063 0.003)
OKLCH	oklch(22.06% 0.063 2.7)
XYZ	xyz(1.5513, 0.9584, 0.9673)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B18 #0B3124

analogous

#310B2B #310B18 #31110B

triadic

#310B18 #18310B #0B1831

tetradic

#310B18 #2B310B #0B3124 #110B31

square

#310B18 #2B310B #0B3124 #110B31

split-complementary

#310B18 #0B3111 #0B2B31

monochromatic

#19060C #19060C #310B18 #631630 #952149

Accessibility & contrast

On white

17.62

#310B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B18

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B18	#FFFFFF	#000000	##FFFFFF
##310B18	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131418

Deuteranopia (green-blind)

#1D1C17

Tritanopia (blue-blind)

#360710

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310b18;
/* rgb */ color: rgb(49, 11, 24);
/* oklch */ color: oklch(22.1% 0.063 2.7);

Tailwind

colors: {
  custom: {
    50: '#6c4c54',
    500: '#310b18',
    950: '#000000',
  },
}

SCSS

$custom: #310b18;
$custom-light: #6c4c54;
$custom-dark: #000000;

JSON

{
  "hex": "#310b18",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 24
  },
  "hsl": {
    "h": 339.474,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2206,
    "c": 0.06307,
    "h": 2.7
  },
  "luminance": 0.00958
}

Semantic roles & 50–950 ramp

primary

#310B18

secondary

#2A6E57

accent

#E6AE41

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #310B18

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

Preview Lab → · Contrast checker → · Palette generator →