#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
RGB	rgb(51, 24, 28)
HSL	hsl(351, 36%, 15%)
HSV	hsv(351, 53%, 20%)
CMYK	cmyk(0%, 52.9%, 45.1%, 80%)
CIE-LAB	lab(12.23, 14.06, 3.24)
CIE-LCH	lch(12.23, 14.43, 12.96°)
OKLab	oklab(24.88% 0.0426 0.0085)
OKLCH	oklch(24.88% 0.043 11.3)
XYZ	xyz(1.9016, 1.4411, 1.2764)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

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
##33181C	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

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.

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