#52181C#52181C

#52181C is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.086 H 19.9°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#52181C
RGB	rgb(82, 24, 28)
HSL	hsl(356, 55%, 21%)
HSV	hsv(356, 71%, 32%)
CMYK	cmyk(0%, 70.7%, 65.9%, 67.8%)
CIE-LAB	lab(18.06, 27.34, 12.15)
CIE-LCH	lch(18.06, 29.92, 23.95°)
OKLab	oklab(30.42% 0.0813 0.0295)
OKLCH	oklch(30.42% 0.086 19.9)
XYZ	xyz(4.0163, 2.5315, 1.3755)
Luminance	0.0253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52181C #18524E

analogous

#521839 #52181C #523118

triadic

#52181C #1C5218 #181C52

tetradic

#52181C #395218 #18524E #311852

square

#52181C #395218 #18524E #311852

split-complementary

#52181C #185231 #183952

monochromatic

#180708 #230A0C #52181C #81262C #B1343C

Accessibility & contrast

On white

13.94

#52181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#52181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #52181C

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52181C	#FFFFFF	#000000	##FFFFFF
##52181C	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241C

Deuteranopia (green-blind)

#35311B

Tritanopia (blue-blind)

#5A0C1A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #52181c;
/* rgb */ color: rgb(82, 24, 28);
/* oklch */ color: oklch(30.4% 0.086 19.9);

Tailwind

colors: {
  custom: {
    50: '#875857',
    500: '#52181c',
    950: '#000000',
  },
}

SCSS

$custom: #52181c;
$custom-light: #875857;
$custom-dark: #000000;

JSON

{
  "hex": "#52181c",
  "rgb": {
    "r": 82,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 355.862,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.3042,
    "c": 0.08648,
    "h": 19.9
  },
  "luminance": 0.02531
}

Semantic roles & 50–950 ramp

primary

#52181C

secondary

#3D8984

accent

#DED44A

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #52181C

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

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