#310D08#310D08

#310D08 is a very dark, muted red. Relative luminance 0.010; OKLCH L 21.9% C 0.060 H 30.6°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#310D08
RGB	rgb(49, 13, 8)
HSL	hsl(7, 72%, 11%)
HSV	hsv(7, 84%, 19%)
CMYK	cmyk(0%, 73.5%, 83.7%, 80.8%)
CIE-LAB	lab(8.64, 17.92, 10.06)
CIE-LCH	lch(8.64, 20.56, 29.31°)
OKLab	oklab(21.93% 0.0516 0.0306)
OKLCH	oklch(21.93% 0.06 30.6)
XYZ	xyz(1.4545, 0.9585, 0.3381)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D08 #082C31

analogous

#310817 #310D08 #312108

triadic

#310D08 #08310D #0D0831

tetradic

#310D08 #173108 #082C31 #210831

square

#310D08 #173108 #082C31 #210831

split-complementary

#310D08 #083121 #081731

monochromatic

#1A0704 #1A0704 #310D08 #661B11 #9A2919

Accessibility & contrast

On white

17.62

#310D08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310D08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D08

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D08	#FFFFFF	#000000	##FFFFFF
##310D08	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)

#171407

Deuteranopia (green-blind)

#201C07

Tritanopia (blue-blind)

#37060C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310d08;
/* rgb */ color: rgb(49, 13, 8);
/* oklch */ color: oklch(21.9% 0.060 30.6);

Tailwind

colors: {
  custom: {
    50: '#6c4d4a',
    500: '#310d08',
    950: '#000000',
  },
}

SCSS

$custom: #310d08;
$custom-light: #6c4d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310d08",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 8
  },
  "hsl": {
    "h": 7.317,
    "s": 71.93,
    "l": 11.176
  },
  "oklch": {
    "l": 0.21926,
    "c": 0.05999,
    "h": 30.6
  },
  "luminance": 0.00958
}

Semantic roles & 50–950 ramp

primary

#310D08

secondary

#256770

accent

#D9EF39

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310D08

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

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