#31050D#31050D

#31050D is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.8% C 0.071 H 15.0°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#31050D
RGB	rgb(49, 5, 13)
HSL	hsl(349, 81%, 11%)
HSV	hsv(349, 90%, 19%)
CMYK	cmyk(0%, 89.8%, 73.5%, 80.8%)
CIE-LAB	lab(7.14, 22.63, 5.74)
CIE-LCH	lch(7.14, 23.34, 14.23°)
OKLab	oklab(20.82% 0.0683 0.0183)
OKLCH	oklch(20.82% 0.071 15)
XYZ	xyz(1.3937, 0.7908, 0.4599)
Luminance	0.0079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31050D #053129

analogous

#310523 #31050D #311305

triadic

#31050D #0D3105 #050D31

tetradic

#31050D #233105 #053129 #130531

square

#31050D #233105 #053129 #130531

split-complementary

#31050D #053113 #052331

monochromatic

#1C0307 #1C0307 #31050D #690B1C #A0102A

Accessibility & contrast

On white

18.13

#31050D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#31050D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31050D

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31050D	#FFFFFF	#000000	##FFFFFF
##31050D	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11100D

Deuteranopia (green-blind)

#1C190C

Tritanopia (blue-blind)

#370008

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #31050d;
/* rgb */ color: rgb(49, 5, 13);
/* oklch */ color: oklch(20.8% 0.071 15.0);

Tailwind

colors: {
  custom: {
    50: '#6d494c',
    500: '#31050d',
    950: '#000000',
  },
}

SCSS

$custom: #31050d;
$custom-light: #6d494c;
$custom-dark: #000000;

JSON

{
  "hex": "#31050d",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 13
  },
  "hsl": {
    "h": 349.091,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20816,
    "c": 0.0707,
    "h": 15
  },
  "luminance": 0.00791
}

Semantic roles & 50–950 ramp

primary

#31050D

secondary

#1F7263

accent

#F8D430

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #31050D

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

Preview Lab → · Contrast checker → · Palette generator →