#330B09#330B09

#330B09 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.0% C 0.065 H 26.7°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX#330B09
RGBrgb(51, 11, 9)
HSLhsl(3, 70%, 12%)
HSVhsv(3, 82%, 20%)
CMYKcmyk(0%, 78.4%, 82.4%, 80%)
CIE-LABlab(8.68, 19.99, 9.77)
CIE-LCHlch(8.68, 22.25, 26.04°)
OKLaboklab(22.04% 0.0581 0.0293)
OKLCHoklch(22.04% 0.065 26.7)
XYZxyz(1.5344, 0.9631, 0.3635)
Luminance0.0096 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#330B09 #093133
analogous
#33091C #330B09 #332009
triadic
#330B09 #09330B #0B0933
tetradic
#330B09 #1C3309 #093133 #200933
square
#330B09 #1C3309 #093133 #200933
split-complementary
#330B09 #093320 #091C33
monochromatic
#1A0605 #1A0605 #330B09 #671612 #9B211B

Accessibility & contrast

On white

17.61
#330B09 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#330B09 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #330B09
17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##330B09#FFFFFF#000000##FFFFFF
##330B091.0017.611.1917.61
#FFFFFF17.611.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#161309
Deuteranopia (green-blind)
#201C08
Tritanopia (blue-blind)
#39030B
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #330b09;
/* rgb */ color: rgb(51, 11, 9);
/* oklch */ color: oklch(22.0% 0.065 26.7);
Tailwind
colors: {
  custom: {
    50: '#6e4c4a',
    500: '#330b09',
    950: '#000000',
  },
}
SCSS
$custom: #330b09;
$custom-light: #6e4c4a;
$custom-dark: #000000;
JSON
{
  "hex": "#330b09",
  "rgb": {
    "r": 51,
    "g": 11,
    "b": 9
  },
  "hsl": {
    "h": 2.857,
    "s": 70,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22043,
    "c": 0.06504,
    "h": 26.7
  },
  "luminance": 0.00963
}

Semantic roles & 50–950 ramp

primary
#330B09
secondary
#276E71
accent
#E4ED3B
background
#F6F4F4
surface
#ECE7E7
border
#C7C3C3
text
#080101
muted
#7B7777

Preview Lab

Preview with #330B09

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

Preview Lab → · Contrast checker → · Palette generator →

#330B09 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva