#330C0B#330C0B

#330C0B is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.063 H 25.2°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#330C0B
RGB	rgb(51, 12, 11)
HSL	hsl(2, 65%, 12%)
HSV	hsv(2, 78%, 20%)
CMYK	cmyk(0%, 76.5%, 78.4%, 80%)
CIE-LAB	lab(8.92, 19.59, 9.28)
CIE-LCH	lch(8.92, 21.68, 25.35°)
OKLab	oklab(22.23% 0.0574 0.027)
OKLCH	oklch(22.23% 0.063 25.2)
XYZ	xyz(1.5573, 0.9911, 0.4258)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330C0B #0B3233

analogous

#330B1E #330C0B #33200B

triadic

#330C0B #0B330C #0C0B33

tetradic

#330C0B #1E330B #0B3233 #200B33

square

#330C0B #1E330B #0B3233 #200B33

split-complementary

#330C0B #0B3320 #0B1E33

monochromatic

#190605 #190605 #330C0B #651816 #982421

Accessibility & contrast

On white

17.53

#330C0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#330C0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330C0B

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330C0B	#FFFFFF	#000000	##FFFFFF
##330C0B	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140B

Deuteranopia (green-blind)

#201C0A

Tritanopia (blue-blind)

#39040C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #330c0b;
/* rgb */ color: rgb(51, 12, 11);
/* oklch */ color: oklch(22.2% 0.063 25.2);

Tailwind

colors: {
  custom: {
    50: '#6e4d4b',
    500: '#330c0b',
    950: '#000000',
  },
}

SCSS

$custom: #330c0b;
$custom-light: #6e4d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#330c0b",
  "rgb": {
    "r": 51,
    "g": 12,
    "b": 11
  },
  "hsl": {
    "h": 1.5,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22233,
    "c": 0.06337,
    "h": 25.2
  },
  "luminance": 0.00991
}

Semantic roles & 50–950 ramp

primary

#330C0B

secondary

#2A6E70

accent

#E3E840

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #330C0B

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

Preview Lab → · Contrast checker → · Palette generator →