#310908#310908

#310908 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.3% C 0.065 H 25.9°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#310908
RGB	rgb(49, 9, 8)
HSL	hsl(1, 72%, 11%)
HSV	hsv(1, 84%, 19%)
CMYK	cmyk(0%, 81.6%, 83.7%, 80.8%)
CIE-LAB	lab(7.82, 20.12, 8.87)
CIE-LCH	lch(7.82, 21.99, 23.80°)
OKLab	oklab(21.31% 0.0585 0.0285)
OKLCH	oklch(21.31% 0.065 25.9)
XYZ	xyz(1.4083, 0.8661, 0.3227)
Luminance	0.0087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310908 #083031

analogous

#31081B #310908 #311D08

triadic

#310908 #083109 #090831

tetradic

#310908 #1B3108 #083031 #1D0831

square

#310908 #1B3108 #083031 #1D0831

split-complementary

#310908 #08311D #081B31

monochromatic

#1A0504 #1A0504 #310908 #661311 #9A1C19

Accessibility & contrast

On white

17.90

#310908 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#310908 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310908

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310908	#FFFFFF	#000000	##FFFFFF
##310908	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141208

Deuteranopia (green-blind)

#1E1A07

Tritanopia (blue-blind)

#370209

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #310908;
/* rgb */ color: rgb(49, 9, 8);
/* oklch */ color: oklch(21.3% 0.065 25.9);

Tailwind

colors: {
  custom: {
    50: '#6c4b4a',
    500: '#310908',
    950: '#000000',
  },
}

SCSS

$custom: #310908;
$custom-light: #6c4b4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310908",
  "rgb": {
    "r": 49,
    "g": 9,
    "b": 8
  },
  "hsl": {
    "h": 1.463,
    "s": 71.93,
    "l": 11.176
  },
  "oklch": {
    "l": 0.2131,
    "c": 0.06509,
    "h": 25.9
  },
  "luminance": 0.00866
}

Semantic roles & 50–950 ramp

primary

#310908

secondary

#256E70

accent

#EAEF39

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310908

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

Preview Lab → · Contrast checker → · Palette generator →