#52180B#52180B

#52180B is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.1% C 0.090 H 34.1°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#52180B
RGB	rgb(82, 24, 11)
HSL	hsl(11, 76%, 18%)
HSV	hsv(11, 87%, 32%)
CMYK	cmyk(0%, 70.7%, 86.6%, 67.8%)
CIE-LAB	lab(17.79, 26.32, 22.23)
CIE-LCH	lch(17.79, 34.46, 40.19°)
OKLab	oklab(30.13% 0.0742 0.0502)
OKLCH	oklch(30.13% 0.09 34.1)
XYZ	xyz(3.8671, 2.4718, 0.5900)
Luminance	0.0247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52180B #0B4552

analogous

#520B21 #52180B #523B0B

triadic

#52180B #0B5218 #180B52

tetradic

#52180B #21520B #0B4552 #3B0B52

square

#52180B #21520B #0B4552 #3B0B52

split-complementary

#52180B #0B523B #0B2152

monochromatic

#1B0804 #1C0804 #52180B #882812 #BE3819

Accessibility & contrast

On white

14.05

#52180B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#52180B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #52180B

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52180B	#FFFFFF	#000000	##FFFFFF
##52180B	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292309

Deuteranopia (green-blind)

#373009

Tritanopia (blue-blind)

#5B0815

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #52180b;
/* rgb */ color: rgb(82, 24, 11);
/* oklch */ color: oklch(30.1% 0.090 34.1);

Tailwind

colors: {
  custom: {
    50: '#89584b',
    500: '#52180b',
    950: '#000000',
  },
}

SCSS

$custom: #52180b;
$custom-light: #89584b;
$custom-dark: #000000;

JSON

{
  "hex": "#52180b",
  "rgb": {
    "r": 82,
    "g": 24,
    "b": 11
  },
  "hsl": {
    "h": 10.986,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30131,
    "c": 0.08963,
    "h": 34.1
  },
  "luminance": 0.02471
}

Semantic roles & 50–950 ramp

primary

#52180B

secondary

#2B7C8E

accent

#D0F335

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0301

muted

#7D7877

Preview Lab

Preview with #52180B

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

Preview Lab → · Contrast checker → · Palette generator →