#310D0C#310D0C

#310D0C is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.0% C 0.059 H 24.8°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#310D0C
RGB	rgb(49, 13, 12)
HSL	hsl(2, 61%, 12%)
HSV	hsv(2, 76%, 19%)
CMYK	cmyk(0%, 73.5%, 75.5%, 80.8%)
CIE-LAB	lab(8.72, 18.23, 8.50)
CIE-LCH	lch(8.72, 20.11, 25.00°)
OKLab	oklab(22.01% 0.0536 0.0247)
OKLCH	oklch(22.01% 0.059 24.8)
XYZ	xyz(1.4770, 0.9676, 0.4567)
Luminance	0.0097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D0C #0C3031

analogous

#310C1E #310D0C #31200C

triadic

#310D0C #0C310D #0D0C31

tetradic

#310D0C #1E310C #0C3031 #200C31

square

#310D0C #1E310C #0C3031 #200C31

split-complementary

#310D0C #0C3120 #0C1E31

monochromatic

#190706 #190706 #310D0C #621A18 #932724

Accessibility & contrast

On white

17.60

#310D0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310D0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D0C

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D0C	#FFFFFF	#000000	##FFFFFF
##310D0C	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140C

Deuteranopia (green-blind)

#1F1C0B

Tritanopia (blue-blind)

#37060D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310d0c;
/* rgb */ color: rgb(49, 13, 12);
/* oklch */ color: oklch(22.0% 0.059 24.8);

Tailwind

colors: {
  custom: {
    50: '#6c4d4c',
    500: '#310d0c',
    950: '#000000',
  },
}

SCSS

$custom: #310d0c;
$custom-light: #6c4d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#310d0c",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 12
  },
  "hsl": {
    "h": 1.622,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22008,
    "c": 0.05903,
    "h": 24.8
  },
  "luminance": 0.00967
}

Semantic roles & 50–950 ramp

primary

#310D0C

secondary

#2C6B6D

accent

#DFE444

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310D0C

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

Preview Lab → · Contrast checker → · Palette generator →