#310C10#310C10

#310C10 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 21.9% C 0.060 H 17.2°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#310C10
RGB	rgb(49, 12, 16)
HSL	hsl(354, 61%, 12%)
HSV	hsv(354, 76%, 19%)
CMYK	cmyk(0%, 75.5%, 67.3%, 80.8%)
CIE-LAB	lab(8.60, 19.16, 6.30)
CIE-LCH	lch(8.60, 20.17, 18.21°)
OKLab	oklab(21.95% 0.0574 0.0178)
OKLCH	oklch(21.95% 0.06 17.2)
XYZ	xyz(1.4918, 0.9535, 0.5956)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C10 #0C312D

analogous

#310C23 #310C10 #311B0C

triadic

#310C10 #10310C #0C1031

tetradic

#310C10 #23310C #0C312D #1B0C31

square

#310C10 #23310C #0C312D #1B0C31

split-complementary

#310C10 #0C311B #0C2331

monochromatic

#190608 #190608 #310C10 #621820 #932430

Accessibility & contrast

On white

17.64

#310C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C10

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C10	#FFFFFF	#000000	##FFFFFF
##310C10	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151410

Deuteranopia (green-blind)

#1E1C0F

Tritanopia (blue-blind)

#36060E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310c10;
/* rgb */ color: rgb(49, 12, 16);
/* oklch */ color: oklch(21.9% 0.060 17.2);

Tailwind

colors: {
  custom: {
    50: '#6c4d4e',
    500: '#310c10',
    950: '#000000',
  },
}

SCSS

$custom: #310c10;
$custom-light: #6c4d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#310c10",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 16
  },
  "hsl": {
    "h": 353.514,
    "s": 60.656,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21948,
    "c": 0.06009,
    "h": 17.2
  },
  "luminance": 0.00953
}

Semantic roles & 50–950 ramp

primary

#310C10

secondary

#2C6D66

accent

#E4D344

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310C10

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

Preview Lab → · Contrast checker → · Palette generator →