#52181F#52181F

#52181F is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.086 H 16.8°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#52181F
RGB	rgb(82, 24, 31)
HSL	hsl(353, 55%, 21%)
HSV	hsv(353, 71%, 32%)
CMYK	cmyk(0%, 70.7%, 62.2%, 67.8%)
CIE-LAB	lab(18.13, 27.59, 10.12)
CIE-LCH	lch(18.13, 29.39, 20.14°)
OKLab	oklab(30.49% 0.0827 0.025)
OKLCH	oklch(30.49% 0.086 16.8)
XYZ	xyz(4.0540, 2.5466, 1.5741)
Luminance	0.0255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52181F #18524B

analogous

#52183C #52181F #522E18

triadic

#52181F #1F5218 #181F52

tetradic

#52181F #3C5218 #18524B #2E1852

square

#52181F #3C5218 #18524B #2E1852

split-complementary

#52181F #18522E #183C52

monochromatic

#180709 #230A0D #52181F #812631 #B13443

Accessibility & contrast

On white

13.91

#52181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#52181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #52181F

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52181F	#FFFFFF	#000000	##FFFFFF
##52181F	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26251F

Deuteranopia (green-blind)

#35311E

Tritanopia (blue-blind)

#5A0D1B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #52181f;
/* rgb */ color: rgb(82, 24, 31);
/* oklch */ color: oklch(30.5% 0.086 16.8);

Tailwind

colors: {
  custom: {
    50: '#87595a',
    500: '#52181f',
    950: '#000000',
  },
}

SCSS

$custom: #52181f;
$custom-light: #87595a;
$custom-dark: #000000;

JSON

{
  "hex": "#52181f",
  "rgb": {
    "r": 82,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 352.759,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30493,
    "c": 0.08637,
    "h": 16.8
  },
  "luminance": 0.02546
}

Semantic roles & 50–950 ramp

primary

#52181F

secondary

#3D8980

accent

#DECC4A

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #52181F

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

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