#330D0B#330D0B

#330D0B is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.062 H 26.3°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#330D0B
RGB	rgb(51, 13, 11)
HSL	hsl(3, 65%, 12%)
HSV	hsv(3, 78%, 20%)
CMYK	cmyk(0%, 74.5%, 78.4%, 80%)
CIE-LAB	lab(9.12, 19.04, 9.58)
CIE-LCH	lch(9.12, 21.31, 26.72°)
OKLab	oklab(22.39% 0.0556 0.0275)
OKLCH	oklch(22.39% 0.062 26.3)
XYZ	xyz(1.5697, 1.0160, 0.4300)
Luminance	0.0102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330D0B #0B3133

analogous

#330B1D #330D0B #33210B

triadic

#330D0B #0B330D #0D0B33

tetradic

#330D0B #1D330B #0B3133 #210B33

square

#330D0B #1D330B #0B3133 #210B33

split-complementary

#330D0B #0B3321 #0B1D33

monochromatic

#190605 #190605 #330D0B #651A16 #982721

Accessibility & contrast

On white

17.45

#330D0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#330D0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330D0B

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330D0B	#FFFFFF	#000000	##FFFFFF
##330D0B	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150B

Deuteranopia (green-blind)

#211D0A

Tritanopia (blue-blind)

#39050D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #330d0b;
/* rgb */ color: rgb(51, 13, 11);
/* oklch */ color: oklch(22.4% 0.062 26.3);

Tailwind

colors: {
  custom: {
    50: '#6e4e4b',
    500: '#330d0b',
    950: '#000000',
  },
}

SCSS

$custom: #330d0b;
$custom-light: #6e4e4b;
$custom-dark: #000000;

JSON

{
  "hex": "#330d0b",
  "rgb": {
    "r": 51,
    "g": 13,
    "b": 11
  },
  "hsl": {
    "h": 3,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22389,
    "c": 0.06205,
    "h": 26.3
  },
  "luminance": 0.01016
}

Semantic roles & 50–950 ramp

primary

#330D0B

secondary

#2A6C70

accent

#DFE840

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #330D0B

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

Preview Lab → · Contrast checker → · Palette generator →