#330B10#330B10

#330B10 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.2% C 0.064 H 16.9°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#330B10
RGB	rgb(51, 11, 16)
HSL	hsl(353, 65%, 12%)
HSV	hsv(353, 78%, 20%)
CMYK	cmyk(0%, 78.4%, 68.6%, 80%)
CIE-LAB	lab(8.83, 20.54, 6.70)
CIE-LCH	lch(8.83, 21.61, 18.05°)
OKLab	oklab(22.2% 0.0615 0.0186)
OKLCH	oklch(22.2% 0.064 16.9)
XYZ	xyz(1.5786, 0.9808, 0.5963)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#330B10 #0B332E

analogous

#330B24 #330B10 #331A0B

triadic

#330B10 #10330B #0B1033

tetradic

#330B10 #24330B #0B332E #1A0B33

square

#330B10 #24330B #0B332E #1A0B33

split-complementary

#330B10 #0B331A #0B2433

monochromatic

#190508 #190508 #330B10 #651620 #982130

Accessibility & contrast

On white

17.56

#330B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#330B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B10

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##330B10	#FFFFFF	#000000	##FFFFFF
##330B10	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151410

Deuteranopia (green-blind)

#1F1C0F

Tritanopia (blue-blind)

#39040D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #330b10;
/* rgb */ color: rgb(51, 11, 16);
/* oklch */ color: oklch(22.2% 0.064 16.9);

Tailwind

colors: {
  custom: {
    50: '#6e4d4e',
    500: '#330b10',
    950: '#000000',
  },
}

SCSS

$custom: #330b10;
$custom-light: #6e4d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#330b10",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 16
  },
  "hsl": {
    "h": 352.5,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22204,
    "c": 0.06427,
    "h": 16.9
  },
  "luminance": 0.00981
}

Semantic roles & 50–950 ramp

primary

#330B10

secondary

#2A7067

accent

#E8D340

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #330B10

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

Preview Lab → · Contrast checker → · Palette generator →