#521718#521718

#521718 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.2% C 0.088 H 23.2°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#521718
RGB	rgb(82, 23, 24)
HSL	hsl(359, 56%, 21%)
HSV	hsv(359, 72%, 32%)
CMYK	cmyk(0%, 72%, 70.7%, 67.8%)
CIE-LAB	lab(17.80, 27.53, 14.60)
CIE-LCH	lch(17.80, 31.17, 27.94°)
OKLab	oklab(30.2% 0.081 0.0347)
OKLCH	oklch(30.2% 0.088 23.2)
XYZ	xyz(3.9513, 2.4731, 1.1333)
Luminance	0.0247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#521718 #175251

analogous

#521735 #521718 #523317

triadic

#521718 #185217 #171852

tetradic

#521718 #355217 #175251 #331752

square

#521718 #355217 #175251 #331752

split-complementary

#521718 #175233 #173552

monochromatic

#180707 #220A0A #521718 #822426 #B23234

Accessibility & contrast

On white

14.05

#521718 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#521718 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #521718

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##521718	#FFFFFF	#000000	##FFFFFF
##521718	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)

#272418

Deuteranopia (green-blind)

#363016

Tritanopia (blue-blind)

#5B0918

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #521718;
/* rgb */ color: rgb(82, 23, 24);
/* oklch */ color: oklch(30.2% 0.088 23.2);

Tailwind

colors: {
  custom: {
    50: '#885854',
    500: '#521718',
    950: '#000000',
  },
}

SCSS

$custom: #521718;
$custom-light: #885854;
$custom-dark: #000000;

JSON

{
  "hex": "#521718",
  "rgb": {
    "r": 82,
    "g": 23,
    "b": 24
  },
  "hsl": {
    "h": 358.983,
    "s": 56.19,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30197,
    "c": 0.08813,
    "h": 23.2
  },
  "luminance": 0.02473
}

Semantic roles & 50–950 ramp

primary

#521718

secondary

#3C8988

accent

#DFDD48

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #521718

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

Preview Lab → · Contrast checker → · Palette generator →