#310C13#310C13

#310C13 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.0% C 0.060 H 12.1°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#310C13
RGB	rgb(49, 12, 19)
HSL	hsl(349, 61%, 12%)
HSV	hsv(349, 76%, 19%)
CMYK	cmyk(0%, 75.5%, 61.2%, 80.8%)
CIE-LAB	lab(8.68, 19.48, 4.64)
CIE-LCH	lch(8.68, 20.02, 13.40°)
OKLab	oklab(22.04% 0.0589 0.0127)
OKLCH	oklch(22.04% 0.06 12.1)
XYZ	xyz(1.5158, 0.9631, 0.7220)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C13 #0C312A

analogous

#310C26 #310C13 #31180C

triadic

#310C13 #13310C #0C1331

tetradic

#310C13 #26310C #0C312A #180C31

square

#310C13 #26310C #0C312A #180C31

split-complementary

#310C13 #0C3118 #0C2631

monochromatic

#19060A #19060A #310C13 #621826 #932439

Accessibility & contrast

On white

17.61

#310C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C13

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C13	#FFFFFF	#000000	##FFFFFF
##310C13	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141413

Deuteranopia (green-blind)

#1E1C12

Tritanopia (blue-blind)

#36070F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310c13;
/* rgb */ color: rgb(49, 12, 19);
/* oklch */ color: oklch(22.0% 0.060 12.1);

Tailwind

colors: {
  custom: {
    50: '#6c4d50',
    500: '#310c13',
    950: '#000000',
  },
}

SCSS

$custom: #310c13;
$custom-light: #6c4d50;
$custom-dark: #000000;

JSON

{
  "hex": "#310c13",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 19
  },
  "hsl": {
    "h": 348.649,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22037,
    "c": 0.06025,
    "h": 12.1
  },
  "luminance": 0.00963
}

Semantic roles & 50–950 ramp

primary

#310C13

secondary

#2C6D61

accent

#E4C644

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #310C13

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

Preview Lab → · Contrast checker → · Palette generator →