#310D12#310D12

#310D12 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.2% C 0.059 H 14.9°. Best body text is #FFFFFF at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#310D12
RGB	rgb(49, 13, 18)
HSL	hsl(352, 58%, 12%)
HSV	hsv(352, 73%, 19%)
CMYK	cmyk(0%, 73.5%, 63.3%, 80.8%)
CIE-LAB	lab(8.86, 18.80, 5.52)
CIE-LCH	lch(8.86, 19.59, 16.37°)
OKLab	oklab(22.16% 0.0566 0.0151)
OKLCH	oklch(22.16% 0.059 14.9)
XYZ	xyz(1.5199, 0.9847, 0.6822)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D12 #0D312C

analogous

#310D24 #310D12 #311A0D

triadic

#310D12 #12310D #0D1231

tetradic

#310D12 #24310D #0D312C #1A0D31

square

#310D12 #24310D #0D312C #1A0D31

split-complementary

#310D12 #0D311A #0D2431

monochromatic

#180609 #180609 #310D12 #611A24 #922736

Accessibility & contrast

On white

17.55

#310D12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310D12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D12

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D12	#FFFFFF	#000000	##FFFFFF
##310D12	1.00	17.55	1.20	17.55
#FFFFFF	17.55	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151512

Deuteranopia (green-blind)

#1F1C11

Tritanopia (blue-blind)

#36070F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310d12;
/* rgb */ color: rgb(49, 13, 18);
/* oklch */ color: oklch(22.2% 0.059 14.9);

Tailwind

colors: {
  custom: {
    50: '#6c4d4f',
    500: '#310d12',
    950: '#000000',
  },
}

SCSS

$custom: #310d12;
$custom-light: #6c4d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#310d12",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 18
  },
  "hsl": {
    "h": 351.667,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22164,
    "c": 0.05859,
    "h": 14.9
  },
  "luminance": 0.00984
}

Semantic roles & 50–950 ramp

primary

#310D12

secondary

#2E6C63

accent

#E1CC47

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #310D12

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

Preview Lab → · Contrast checker → · Palette generator →