#330B0E#330B0E

#330B0E is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.064 H 19.9°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#330B0E
RGB	rgb(51, 11, 14)
HSL	hsl(356, 65%, 12%)
HSV	hsv(356, 78%, 20%)
CMYK	cmyk(0%, 78.4%, 72.5%, 80%)
CIE-LAB	lab(8.78, 20.36, 7.69)
CIE-LCH	lch(8.78, 21.77, 20.68°)
OKLab	oklab(22.15% 0.0605 0.0219)
OKLCH	oklch(22.15% 0.064 19.9)
XYZ	xyz(1.5643, 0.9751, 0.5212)
Luminance	0.0097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B0E #0B3330

analogous

#330B22 #330B0E #331C0B

triadic

#330B0E #0E330B #0B0E33

tetradic

#330B0E #22330B #0B3330 #1C0B33

square

#330B0E #22330B #0B3330 #1C0B33

split-complementary

#330B0E #0B331C #0B2233

monochromatic

#190507 #190507 #330B0E #65161C #98212A

Accessibility & contrast

On white

17.57

#330B0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#330B0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B0E

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B0E	#FFFFFF	#000000	##FFFFFF
##330B0E	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15140E

Deuteranopia (green-blind)

#1F1C0D

Tritanopia (blue-blind)

#39040C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #330b0e;
/* rgb */ color: rgb(51, 11, 14);
/* oklch */ color: oklch(22.2% 0.064 19.9);

Tailwind

colors: {
  custom: {
    50: '#6e4c4d',
    500: '#330b0e',
    950: '#000000',
  },
}

SCSS

$custom: #330b0e;
$custom-light: #6e4c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#330b0e",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 14
  },
  "hsl": {
    "h": 355.5,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22152,
    "c": 0.06434,
    "h": 19.9
  },
  "luminance": 0.00975
}

Semantic roles & 50–950 ramp

primary

#330B0E

secondary

#2A706A

accent

#E8DB40

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #330B0E

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

Preview Lab → · Contrast checker → · Palette generator →