#310C15#310C15

#310C15 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.1% C 0.061 H 8.7°. Best body text is #FFFFFF at 17.59:1 contrast (WCAG AA passes).

Color values

HEX	#310C15
RGB	rgb(49, 12, 21)
HSL	hsl(345, 61%, 12%)
HSV	hsv(345, 76%, 19%)
CMYK	cmyk(0%, 75.5%, 57.1%, 80.8%)
CIE-LAB	lab(8.74, 19.70, 3.40)
CIE-LCH	lch(8.74, 20.00, 9.79°)
OKLab	oklab(22.1% 0.0599 0.0091)
OKLCH	oklch(22.1% 0.061 8.7)
XYZ	xyz(1.5336, 0.9702, 0.8158)
Luminance	0.0097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C15 #0C3128

analogous

#310C28 #310C15 #31160C

triadic

#310C15 #15310C #0C1531

tetradic

#310C15 #28310C #0C3128 #160C31

square

#310C15 #28310C #0C3128 #160C31

split-complementary

#310C15 #0C3116 #0C2831

monochromatic

#19060B #19060B #310C15 #62182A #93243F

Accessibility & contrast

On white

17.59

#310C15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310C15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C15

17.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C15	#FFFFFF	#000000	##FFFFFF
##310C15	1.00	17.59	1.19	17.59
#FFFFFF	17.59	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141415

Deuteranopia (green-blind)

#1E1C14

Tritanopia (blue-blind)

#36070F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310c15;
/* rgb */ color: rgb(49, 12, 21);
/* oklch */ color: oklch(22.1% 0.061 8.7);

Tailwind

colors: {
  custom: {
    50: '#6c4d52',
    500: '#310c15',
    950: '#000000',
  },
}

SCSS

$custom: #310c15;
$custom-light: #6c4d52;
$custom-dark: #000000;

JSON

{
  "hex": "#310c15",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 21
  },
  "hsl": {
    "h": 345.405,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22102,
    "c": 0.06056,
    "h": 8.7
  },
  "luminance": 0.0097
}

Semantic roles & 50–950 ramp

primary

#310C15

secondary

#2C6D5D

accent

#E4BD44

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #310C15

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

Preview Lab → · Contrast checker → · Palette generator →