#33181C#33181C

#33181C is a very dark, muted red. Relative luminance 0.014; OKLCH L 24.9% C 0.043 H 11.3°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX#33181C
RGBrgb(51, 24, 28)
HSLhsl(351, 36%, 15%)
HSVhsv(351, 53%, 20%)
CMYKcmyk(0%, 52.9%, 45.1%, 80%)
CIE-LABlab(12.23, 14.06, 3.24)
CIE-LCHlch(12.23, 14.43, 12.96°)
OKLaboklab(24.88% 0.0426 0.0085)
OKLCHoklch(24.88% 0.043 11.3)
XYZxyz(1.9016, 1.4411, 1.2764)
Luminance0.0144 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33181C #18332F
analogous
#33182A #33181C #332218
triadic
#33181C #1C3318 #181C33
tetradic
#33181C #2A3318 #18332F #221833
square
#33181C #2A3318 #18332F #221833
split-complementary
#33181C #183322 #182A33
monochromatic
#150A0B #150A0B #33181C #5D2C33 #863F4A

Accessibility & contrast

On white

16.30
#33181C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#33181C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33181C
16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33181C#FFFFFF#000000##FFFFFF
##33181C1.0016.301.2916.30
#FFFFFF16.301.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D1D1C
Deuteranopia (green-blind)
#24221B
Tritanopia (blue-blind)
#371519
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #33181c;
/* rgb */ color: rgb(51, 24, 28);
/* oklch */ color: oklch(24.9% 0.043 11.3);
Tailwind
colors: {
  custom: {
    50: '#6c5557',
    500: '#33181c',
    950: '#000000',
  },
}
SCSS
$custom: #33181c;
$custom-light: #6c5557;
$custom-dark: #000000;
JSON
{
  "hex": "#33181c",
  "rgb": {
    "r": 51,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 351.111,
    "s": 36,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24878,
    "c": 0.04347,
    "h": 11.3
  },
  "luminance": 0.01441
}

Semantic roles & 50–950 ramp

primary
#33181C
secondary
#3E6862
accent
#CCBB5C
background
#F6F5F5
surface
#EBE8E9
border
#C6C4C5
text
#070303
muted
#7A7878

Preview Lab

Preview with #33181C

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

Preview Lab → · Contrast checker → · Palette generator →

#33181C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva