#330E0B#330E0B

#330E0B is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.6% C 0.061 H 27.6°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#330E0B
RGB	rgb(51, 14, 11)
HSL	hsl(5, 65%, 12%)
HSV	hsv(5, 78%, 20%)
CMYK	cmyk(0%, 72.5%, 78.4%, 80%)
CIE-LAB	lab(9.34, 18.46, 9.89)
CIE-LCH	lch(9.34, 20.94, 28.17°)
OKLab	oklab(22.55% 0.0538 0.0281)
OKLCH	oklch(22.55% 0.061 27.6)
XYZ	xyz(1.5828, 1.0423, 0.4344)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330E0B #0B3033

analogous

#330B1C #330E0B #33220B

triadic

#330E0B #0B330E #0E0B33

tetradic

#330E0B #1C330B #0B3033 #220B33

square

#330E0B #1C330B #0B3033 #220B33

split-complementary

#330E0B #0B3322 #0B1C33

monochromatic

#190705 #190705 #330E0B #651C16 #982A21

Accessibility & contrast

On white

17.38

#330E0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#330E0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330E0B

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330E0B	#FFFFFF	#000000	##FFFFFF
##330E0B	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18150A

Deuteranopia (green-blind)

#211D0A

Tritanopia (blue-blind)

#39070E

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #330e0b;
/* rgb */ color: rgb(51, 14, 11);
/* oklch */ color: oklch(22.6% 0.061 27.6);

Tailwind

colors: {
  custom: {
    50: '#6e4e4b',
    500: '#330e0b',
    950: '#000000',
  },
}

SCSS

$custom: #330e0b;
$custom-light: #6e4e4b;
$custom-dark: #000000;

JSON

{
  "hex": "#330e0b",
  "rgb": {
    "r": 51,
    "g": 14,
    "b": 11
  },
  "hsl": {
    "h": 4.5,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.2255,
    "c": 0.06071,
    "h": 27.6
  },
  "luminance": 0.01042
}

Semantic roles & 50–950 ramp

primary

#330E0B

secondary

#2A6A70

accent

#DBE840

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #330E0B

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

Preview Lab → · Contrast checker → · Palette generator →