#521618#521618

#521618 is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.1% C 0.089 H 22.5°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#521618
RGB	rgb(82, 22, 24)
HSL	hsl(358, 58%, 20%)
HSV	hsv(358, 73%, 32%)
CMYK	cmyk(0%, 73.2%, 70.7%, 67.8%)
CIE-LAB	lab(17.62, 28.02, 14.38)
CIE-LCH	lch(17.62, 31.49, 27.17°)
OKLab	oklab(30.06% 0.0826 0.0341)
OKLCH	oklch(30.06% 0.089 22.5)
XYZ	xyz(3.9319, 2.4342, 1.1268)
Luminance	0.0243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#521618 #165250

analogous

#521636 #521618 #523216

triadic

#521618 #185216 #161852

tetradic

#521618 #365216 #165250 #321652

square

#521618 #365216 #165250 #321652

split-complementary

#521618 #165232 #163652

monochromatic

#180607 #22090A #521618 #822326 #B33034

Accessibility & contrast

On white

14.12

#521618 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#521618 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #521618

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##521618	#FFFFFF	#000000	##FFFFFF
##521618	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262318

Deuteranopia (green-blind)

#353016

Tritanopia (blue-blind)

#5B0717

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #521618;
/* rgb */ color: rgb(82, 22, 24);
/* oklch */ color: oklch(30.1% 0.089 22.5);

Tailwind

colors: {
  custom: {
    50: '#885754',
    500: '#521618',
    950: '#000000',
  },
}

SCSS

$custom: #521618;
$custom-light: #885754;
$custom-dark: #000000;

JSON

{
  "hex": "#521618",
  "rgb": {
    "r": 82,
    "g": 22,
    "b": 24
  },
  "hsl": {
    "h": 358,
    "s": 57.692,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30063,
    "c": 0.08934,
    "h": 22.5
  },
  "luminance": 0.02434
}

Semantic roles & 50–950 ramp

primary

#521618

secondary

#3A8987

accent

#E1DC47

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #521618

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

Preview Lab → · Contrast checker → · Palette generator →