#31110D#31110D

#31110D is a very dark, muted red. Relative luminance 0.011; OKLCH L 22.7% C 0.053 H 29.1°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#31110D
RGB	rgb(49, 17, 13)
HSL	hsl(7, 58%, 12%)
HSV	hsv(7, 73%, 19%)
CMYK	cmyk(0%, 65.3%, 73.5%, 80.8%)
CIE-LAB	lab(9.67, 15.89, 9.39)
CIE-LCH	lch(9.67, 18.46, 30.57°)
OKLab	oklab(22.73% 0.0465 0.0259)
OKLCH	oklch(22.73% 0.053 29.1)
XYZ	xyz(1.5399, 1.0831, 0.5087)
Luminance	0.0108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31110D #0D2D31

analogous

#310D1B #31110D #31230D

triadic

#31110D #0D3111 #110D31

tetradic

#31110D #1B310D #0D2D31 #230D31

square

#31110D #1B310D #0D2D31 #230D31

split-complementary

#31110D #0D3123 #0D1B31

monochromatic

#180806 #180806 #31110D #61221A #923327

Accessibility & contrast

On white

17.26

#31110D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#31110D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31110D

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31110D	#FFFFFF	#000000	##FFFFFF
##31110D	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19170C

Deuteranopia (green-blind)

#211D0C

Tritanopia (blue-blind)

#360B10

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #31110d;
/* rgb */ color: rgb(49, 17, 13);
/* oklch */ color: oklch(22.7% 0.053 29.1);

Tailwind

colors: {
  custom: {
    50: '#6c504c',
    500: '#31110d',
    950: '#000000',
  },
}

SCSS

$custom: #31110d;
$custom-light: #6c504c;
$custom-dark: #000000;

JSON

{
  "hex": "#31110d",
  "rgb": {
    "r": 49,
    "g": 17,
    "b": 13
  },
  "hsl": {
    "h": 6.667,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.2273,
    "c": 0.05322,
    "h": 29.1
  },
  "luminance": 0.01083
}

Semantic roles & 50–950 ramp

primary

#31110D

secondary

#2E656C

accent

#D0E147

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #31110D

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

Preview Lab → · Contrast checker → · Palette generator →