#310E09#310E09

#310E09 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.1% C 0.058 H 30.5°. Best body text is #FFFFFF at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#310E09
RGB	rgb(49, 14, 9)
HSL	hsl(8, 69%, 11%)
HSV	hsv(8, 82%, 19%)
CMYK	cmyk(0%, 71.4%, 81.6%, 80.8%)
CIE-LAB	lab(8.88, 17.41, 10.00)
CIE-LCH	lch(8.88, 20.08, 29.88°)
OKLab	oklab(22.11% 0.0503 0.0297)
OKLCH	oklch(22.11% 0.058 30.5)
XYZ	xyz(1.4731, 0.9870, 0.3713)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310E09 #092C31

analogous

#310918 #310E09 #312209

triadic

#310E09 #09310E #0E0931

tetradic

#310E09 #183109 #092C31 #220931

square

#310E09 #183109 #092C31 #220931

split-complementary

#310E09 #093122 #091831

monochromatic

#1A0705 #1A0705 #310E09 #651D12 #982C1C

Accessibility & contrast

On white

17.54

#310E09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310E09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310E09

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310E09	#FFFFFF	#000000	##FFFFFF
##310E09	1.00	17.54	1.20	17.54
#FFFFFF	17.54	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171408

Deuteranopia (green-blind)

#201C08

Tritanopia (blue-blind)

#37070D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310e09;
/* rgb */ color: rgb(49, 14, 9);
/* oklch */ color: oklch(22.1% 0.058 30.5);

Tailwind

colors: {
  custom: {
    50: '#6c4e4a',
    500: '#310e09',
    950: '#000000',
  },
}

SCSS

$custom: #310e09;
$custom-light: #6c4e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310e09",
  "rgb": {
    "r": 49,
    "g": 14,
    "b": 9
  },
  "hsl": {
    "h": 7.5,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.22114,
    "c": 0.05841,
    "h": 30.5
  },
  "luminance": 0.00987
}

Semantic roles & 50–950 ramp

primary

#310E09

secondary

#27666F

accent

#D6EC3C

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310E09

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

Preview Lab → · Contrast checker → · Palette generator →