#33181A#33181A

#33181A is a very dark, muted red. Relative luminance 0.014; OKLCH L 24.8% C 0.043 H 16.0°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX#33181A
RGBrgb(51, 24, 26)
HSLhsl(356, 36%, 15%)
HSVhsv(356, 53%, 20%)
CMYKcmyk(0%, 52.9%, 49%, 80%)
CIE-LABlab(12.17, 13.77, 4.63)
CIE-LCHlch(12.17, 14.53, 18.57°)
OKLaboklab(24.81% 0.0416 0.0119)
OKLCHoklch(24.81% 0.043 16)
XYZxyz(1.8784, 1.4318, 1.1545)
Luminance0.0143 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33181A #183331
analogous
#331828 #33181A #332418
triadic
#33181A #1A3318 #181A33
tetradic
#33181A #283318 #183331 #241833
square
#33181A #283318 #183331 #241833
split-complementary
#33181A #183324 #182833
monochromatic
#150A0B #150A0B #33181A #5D2C2F #863F44

Accessibility & contrast

On white

16.32
#33181A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #33181A
16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33181A#FFFFFF#000000##FFFFFF
##33181A1.0016.321.2916.32
#FFFFFF16.321.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D1D1A
Deuteranopia (green-blind)
#242219
Tritanopia (blue-blind)
#381519
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #33181a;
/* rgb */ color: rgb(51, 24, 26);
/* oklch */ color: oklch(24.8% 0.043 16.0);
Tailwind
colors: {
  custom: {
    50: '#6c5556',
    500: '#33181a',
    950: '#000000',
  },
}
SCSS
$custom: #33181a;
$custom-light: #6c5556;
$custom-dark: #000000;
JSON
{
  "hex": "#33181a",
  "rgb": {
    "r": 51,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 355.556,
    "s": 36,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24812,
    "c": 0.04332,
    "h": 16
  },
  "luminance": 0.01432
}

Semantic roles & 50–950 ramp

primary
#33181A
secondary
#3E6865
accent
#CCC45C
background
#F6F5F5
surface
#EBE8E9
border
#C6C4C5
text
#070303
muted
#7A7878

Preview Lab

Preview with #33181A

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

Preview Lab → · Contrast checker → · Palette generator →

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