#310F0C#310F0C

#310F0C is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.3% C 0.056 H 27.5°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#310F0C
RGB	rgb(49, 15, 12)
HSL	hsl(5, 61%, 12%)
HSV	hsv(5, 76%, 19%)
CMYK	cmyk(0%, 69.4%, 75.5%, 80.8%)
CIE-LAB	lab(9.17, 17.04, 9.15)
CIE-LCH	lch(9.17, 19.34, 28.23°)
OKLab	oklab(22.35% 0.0499 0.026)
OKLCH	oklch(22.35% 0.056 27.5)
XYZ	xyz(1.5039, 1.0214, 0.4657)
Luminance	0.0102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F0C #0C2E31

analogous

#310C1C #310F0C #31220C

triadic

#310F0C #0C310F #0F0C31

tetradic

#310F0C #1C310C #0C2E31 #220C31

square

#310F0C #1C310C #0C2E31 #220C31

split-complementary

#310F0C #0C3122 #0C1C31

monochromatic

#190806 #190806 #310F0C #621E18 #932D24

Accessibility & contrast

On white

17.44

#310F0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310F0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F0C

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F0C	#FFFFFF	#000000	##FFFFFF
##310F0C	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18150C

Deuteranopia (green-blind)

#201D0B

Tritanopia (blue-blind)

#36090E

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310f0c;
/* rgb */ color: rgb(49, 15, 12);
/* oklch */ color: oklch(22.3% 0.056 27.5);

Tailwind

colors: {
  custom: {
    50: '#6c4f4c',
    500: '#310f0c',
    950: '#000000',
  },
}

SCSS

$custom: #310f0c;
$custom-light: #6c4f4c;
$custom-dark: #000000;

JSON

{
  "hex": "#310f0c",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 12
  },
  "hsl": {
    "h": 4.865,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22348,
    "c": 0.05626,
    "h": 27.5
  },
  "luminance": 0.01021
}

Semantic roles & 50–950 ramp

primary

#310F0C

secondary

#2C686D

accent

#D7E444

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #310F0C

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

Preview Lab → · Contrast checker → · Palette generator →