#310A12#310A12

#310A12 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.7% C 0.063 H 11.9°. Best body text is #FFFFFF at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#310A12
RGB	rgb(49, 10, 18)
HSL	hsl(348, 66%, 12%)
HSV	hsv(348, 80%, 19%)
CMYK	cmyk(0%, 79.6%, 63.3%, 80.8%)
CIE-LAB	lab(8.25, 20.45, 4.64)
CIE-LCH	lch(8.25, 20.97, 12.78°)
OKLab	oklab(21.71% 0.0618 0.0131)
OKLCH	oklch(21.71% 0.063 11.9)
XYZ	xyz(1.4845, 0.9139, 0.6704)
Luminance	0.0091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A12 #0A3129

analogous

#310A26 #310A12 #31160A

triadic

#310A12 #12310A #0A1231

tetradic

#310A12 #26310A #0A3129 #160A31

square

#310A12 #26310A #0A3129 #160A31

split-complementary

#310A12 #0A3116 #0A2631

monochromatic

#190509 #190509 #310A12 #641425 #971F37

Accessibility & contrast

On white

17.75

#310A12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#310A12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A12

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A12	#FFFFFF	#000000	##FFFFFF
##310A12	1.00	17.75	1.18	17.75
#FFFFFF	17.75	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131312

Deuteranopia (green-blind)

#1D1B11

Tritanopia (blue-blind)

#36040D

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #310a12;
/* rgb */ color: rgb(49, 10, 18);
/* oklch */ color: oklch(21.7% 0.063 11.9);

Tailwind

colors: {
  custom: {
    50: '#6c4c4f',
    500: '#310a12',
    950: '#000000',
  },
}

SCSS

$custom: #310a12;
$custom-light: #6c4c4f;
$custom-dark: #000000;

JSON

{
  "hex": "#310a12",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 18
  },
  "hsl": {
    "h": 347.692,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21708,
    "c": 0.0632,
    "h": 11.9
  },
  "luminance": 0.00914
}

Semantic roles & 50–950 ramp

primary

#310A12

secondary

#296E60

accent

#E9C63F

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #310A12

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

Preview Lab → · Contrast checker → · Palette generator →