#310E04#310E04

#310E04 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.0% C 0.060 H 38.1°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#310E04
RGB	rgb(49, 14, 4)
HSL	hsl(13, 85%, 10%)
HSV	hsv(13, 92%, 19%)
CMYK	cmyk(0%, 71.4%, 91.8%, 80.8%)
CIE-LAB	lab(8.79, 17.03, 11.91)
CIE-LCH	lch(8.79, 20.78, 34.96°)
OKLab	oklab(22.01% 0.0476 0.0373)
OKLCH	oklch(22.01% 0.06 38.1)
XYZ	xyz(1.4457, 0.9760, 0.2271)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310E04 #042731

analogous

#310410 #310E04 #312404

triadic

#310E04 #04310E #0E0431

tetradic

#310E04 #103104 #042731 #240431

square

#310E04 #103104 #042731 #240431

split-complementary

#310E04 #043124 #041031

monochromatic

#1C0802 #1C0802 #310E04 #6A1E09 #A22E0D

Accessibility & contrast

On white

17.57

#310E04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310E04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310E04

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310E04	#FFFFFF	#000000	##FFFFFF
##310E04	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181403

Deuteranopia (green-blind)

#201C03

Tritanopia (blue-blind)

#37060C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310e04;
/* rgb */ color: rgb(49, 14, 4);
/* oklch */ color: oklch(22.0% 0.060 38.1);

Tailwind

colors: {
  custom: {
    50: '#6c4e48',
    500: '#310e04',
    950: '#000000',
  },
}

SCSS

$custom: #310e04;
$custom-light: #6c4e48;
$custom-dark: #000000;

JSON

{
  "hex": "#310e04",
  "rgb": {
    "r": 49,
    "g": 14,
    "b": 4
  },
  "hsl": {
    "h": 13.333,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.22014,
    "c": 0.06047,
    "h": 38.1
  },
  "luminance": 0.00976
}

Semantic roles & 50–950 ramp

primary

#310E04

secondary

#1D6073

accent

#CDFB2D

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310E04

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

Preview Lab → · Contrast checker → · Palette generator →