#31130D#31130D

#31130D is a very dark, muted red. Relative luminance 0.011; OKLCH L 23.1% C 0.051 H 32.7°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#31130D
RGB	rgb(49, 19, 13)
HSL	hsl(10, 58%, 12%)
HSV	hsv(10, 73%, 19%)
CMYK	cmyk(0%, 61.2%, 73.5%, 80.8%)
CIE-LAB	lab(10.17, 14.61, 10.10)
CIE-LCH	lch(10.17, 17.76, 34.66°)
OKLab	oklab(23.11% 0.0425 0.0273)
OKLCH	oklch(23.11% 0.051 32.7)
XYZ	xyz(1.5723, 1.1480, 0.5195)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31130D #0D2B31

analogous

#310D19 #31130D #31250D

triadic

#31130D #0D3113 #130D31

tetradic

#31130D #19310D #0D2B31 #250D31

square

#31130D #19310D #0D2B31 #250D31

split-complementary

#31130D #0D3125 #0D1931

monochromatic

#180906 #180906 #31130D #61261A #923927

Accessibility & contrast

On white

17.08

#31130D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#31130D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31130D

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31130D	#FFFFFF	#000000	##FFFFFF
##31130D	1.00	17.08	1.23	17.08
#FFFFFF	17.08	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180C

Deuteranopia (green-blind)

#221E0C

Tritanopia (blue-blind)

#360E12

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #31130d;
/* rgb */ color: rgb(49, 19, 13);
/* oklch */ color: oklch(23.1% 0.051 32.7);

Tailwind

colors: {
  custom: {
    50: '#6c514c',
    500: '#31130d',
    950: '#000000',
  },
}

SCSS

$custom: #31130d;
$custom-light: #6c514c;
$custom-dark: #000000;

JSON

{
  "hex": "#31130d",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 13
  },
  "hsl": {
    "h": 10,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23112,
    "c": 0.05053,
    "h": 32.7
  },
  "luminance": 0.01148
}

Semantic roles & 50–950 ramp

primary

#31130D

secondary

#2E626C

accent

#C7E147

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #31130D

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

Preview Lab → · Contrast checker → · Palette generator →