#52181A#52181A

#52181A is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.087 H 21.9°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#52181A
RGB	rgb(82, 24, 26)
HSL	hsl(358, 55%, 21%)
HSV	hsv(358, 71%, 32%)
CMYK	cmyk(0%, 70.7%, 68.3%, 67.8%)
CIE-LAB	lab(18.02, 27.19, 13.49)
CIE-LCH	lch(18.02, 30.35, 26.39°)
OKLab	oklab(30.38% 0.0804 0.0324)
OKLCH	oklch(30.38% 0.087 21.9)
XYZ	xyz(3.9932, 2.5222, 1.2537)
Luminance	0.0252 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52181A #185250

analogous

#521837 #52181A #523318

triadic

#52181A #1A5218 #181A52

tetradic

#52181A #375218 #185250 #331852

square

#52181A #375218 #185250 #331852

split-complementary

#52181A #185233 #183752

monochromatic

#180708 #230A0B #52181A #812629 #B13438

Accessibility & contrast

On white

13.96

#52181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#52181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #52181A

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52181A	#FFFFFF	#000000	##FFFFFF
##52181A	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241A

Deuteranopia (green-blind)

#363118

Tritanopia (blue-blind)

#5A0B19

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #52181a;
/* rgb */ color: rgb(82, 24, 26);
/* oklch */ color: oklch(30.4% 0.087 21.9);

Tailwind

colors: {
  custom: {
    50: '#875856',
    500: '#52181a',
    950: '#000000',
  },
}

SCSS

$custom: #52181a;
$custom-light: #875856;
$custom-dark: #000000;

JSON

{
  "hex": "#52181a",
  "rgb": {
    "r": 82,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 357.931,
    "s": 54.717,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30376,
    "c": 0.08665,
    "h": 21.9
  },
  "luminance": 0.02522
}

Semantic roles & 50–950 ramp

primary

#52181A

secondary

#3D8986

accent

#DED94A

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #52181A

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

Preview Lab → · Contrast checker → · Palette generator →