#310C0E#310C0E

#310C0E is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.9% C 0.060 H 20.4°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#310C0E
RGB	rgb(49, 12, 14)
HSL	hsl(357, 61%, 12%)
HSV	hsv(357, 76%, 19%)
CMYK	cmyk(0%, 75.5%, 71.4%, 80.8%)
CIE-LAB	lab(8.55, 18.97, 7.29)
CIE-LCH	lch(8.55, 20.33, 21.03°)
OKLab	oklab(21.9% 0.0564 0.021)
OKLCH	oklch(21.9% 0.06 20.4)
XYZ	xyz(1.4775, 0.9478, 0.5205)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C0E #0C312F

analogous

#310C21 #310C0E #311D0C

triadic

#310C0E #0E310C #0C0E31

tetradic

#310C0E #21310C #0C312F #1D0C31

square

#310C0E #21310C #0C312F #1D0C31

split-complementary

#310C0E #0C311D #0C2131

monochromatic

#190607 #190607 #310C0E #62181C #93242A

Accessibility & contrast

On white

17.65

#310C0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310C0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C0E

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C0E	#FFFFFF	#000000	##FFFFFF
##310C0E	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15140E

Deuteranopia (green-blind)

#1F1B0D

Tritanopia (blue-blind)

#36050D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310c0e;
/* rgb */ color: rgb(49, 12, 14);
/* oklch */ color: oklch(21.9% 0.060 20.4);

Tailwind

colors: {
  custom: {
    50: '#6c4d4d',
    500: '#310c0e',
    950: '#000000',
  },
}

SCSS

$custom: #310c0e;
$custom-light: #6c4d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#310c0e",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 14
  },
  "hsl": {
    "h": 356.757,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21896,
    "c": 0.06018,
    "h": 20.4
  },
  "luminance": 0.00948
}

Semantic roles & 50–950 ramp

primary

#310C0E

secondary

#2C6D69

accent

#E4DB44

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310C0E

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

Preview Lab → · Contrast checker → · Palette generator →