#31020C#31020C

#31020C is a very dark, moderate red. Relative luminance 0.007; OKLCH L 20.3% C 0.076 H 13.7°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#31020C
RGB	rgb(49, 2, 12)
HSL	hsl(347, 92%, 10%)
HSV	hsv(347, 96%, 19%)
CMYK	cmyk(0%, 95.9%, 75.5%, 80.8%)
CIE-LAB	lab(6.53, 24.11, 5.31)
CIE-LCH	lch(6.53, 24.69, 12.42°)
OKLab	oklab(20.31% 0.0738 0.018)
OKLCH	oklch(20.31% 0.076 13.7)
XYZ	xyz(1.3548, 0.7231, 0.4160)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31020C #023127

analogous

#310224 #31020C #310F02

triadic

#31020C #0C3102 #020C31

tetradic

#31020C #243102 #023127 #0F0231

square

#31020C #243102 #023127 #0F0231

split-complementary

#31020C #02310F #022431

monochromatic

#1D0107 #1D0107 #31020C #6C041A #A70729

Accessibility & contrast

On white

18.35

#31020C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#31020C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31020C

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31020C	#FFFFFF	#000000	##FFFFFF
##31020C	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0E0C

Deuteranopia (green-blind)

#1B180B

Tritanopia (blue-blind)

#370006

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #31020c;
/* rgb */ color: rgb(49, 2, 12);
/* oklch */ color: oklch(20.3% 0.076 13.7);

Tailwind

colors: {
  custom: {
    50: '#6d474c',
    500: '#31020c',
    950: '#000000',
  },
}

SCSS

$custom: #31020c;
$custom-light: #6d474c;
$custom-dark: #000000;

JSON

{
  "hex": "#31020c",
  "rgb": {
    "r": 49,
    "g": 2,
    "b": 12
  },
  "hsl": {
    "h": 347.234,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.20307,
    "c": 0.07593,
    "h": 13.7
  },
  "luminance": 0.00723
}

Semantic roles & 50–950 ramp

primary

#31020C

secondary

#197562

accent

#FFD129

background

#F6F4F4

surface

#ECE6E7

border

#C7C2C3

text

#070001

muted

#7A7777

Preview Lab

Preview with #31020C

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

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