#31050C#31050C

#31050C is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.8% C 0.071 H 16.4°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#31050C
RGB	rgb(49, 5, 12)
HSL	hsl(350, 81%, 11%)
HSV	hsv(350, 90%, 19%)
CMYK	cmyk(0%, 89.8%, 75.5%, 80.8%)
CIE-LAB	lab(7.12, 22.54, 6.17)
CIE-LCH	lch(7.12, 23.37, 15.31°)
OKLab	oklab(20.79% 0.0678 0.02)
OKLCH	oklch(20.79% 0.071 16.4)
XYZ	xyz(1.3874, 0.7883, 0.4269)
Luminance	0.0079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31050C #05312A

analogous

#310522 #31050C #311405

triadic

#31050C #0C3105 #050C31

tetradic

#31050C #223105 #05312A #140531

square

#31050C #223105 #05312A #140531

split-complementary

#31050C #053114 #052231

monochromatic

#1C0307 #1C0307 #31050C #690B1A #A01027

Accessibility & contrast

On white

18.14

#31050C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#31050C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31050C

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31050C	#FFFFFF	#000000	##FFFFFF
##31050C	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11100C

Deuteranopia (green-blind)

#1C190B

Tritanopia (blue-blind)

#370008

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #31050c;
/* rgb */ color: rgb(49, 5, 12);
/* oklch */ color: oklch(20.8% 0.071 16.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#31050c",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 12
  },
  "hsl": {
    "h": 350.455,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.2079,
    "c": 0.07066,
    "h": 16.4
  },
  "luminance": 0.00788
}

Semantic roles & 50–950 ramp

primary

#31050C

secondary

#1F7265

accent

#F8D830

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #31050C

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

Preview Lab → · Contrast checker → · Palette generator →