#521018#521018

#521018 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.3% C 0.096 H 19.0°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#521018
RGB	rgb(82, 16, 24)
HSL	hsl(353, 67%, 19%)
HSV	hsv(353, 80%, 32%)
CMYK	cmyk(0%, 80.5%, 70.7%, 67.8%)
CIE-LAB	lab(16.66, 30.67, 13.16)
CIE-LCH	lch(16.66, 33.37, 23.23°)
OKLab	oklab(29.35% 0.091 0.0314)
OKLCH	oklch(29.35% 0.096 19)
XYZ	xyz(3.8302, 2.2309, 1.0929)
Luminance	0.0223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#521018 #10524A

analogous

#521039 #521018 #522910

triadic

#521018 #185210 #101852

tetradic

#521018 #395210 #10524A #291052

square

#521018 #395210 #10524A #291052

split-complementary

#521018 #105229 #103952

monochromatic

#1A0507 #1F0609 #521018 #851A27 #B82436

Accessibility & contrast

On white

14.52

#521018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#521018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #521018

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##521018	#FFFFFF	#000000	##FFFFFF
##521018	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232018

Deuteranopia (green-blind)

#332E16

Tritanopia (blue-blind)

#5B0014

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #521018;
/* rgb */ color: rgb(82, 16, 24);
/* oklch */ color: oklch(29.3% 0.096 19.0);

Tailwind

colors: {
  custom: {
    50: '#885454',
    500: '#521018',
    950: '#000000',
  },
}

SCSS

$custom: #521018;
$custom-light: #885454;
$custom-dark: #000000;

JSON

{
  "hex": "#521018",
  "rgb": {
    "r": 82,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 352.727,
    "s": 67.347,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29345,
    "c": 0.09625,
    "h": 19
  },
  "luminance": 0.0223
}

Semantic roles & 50–950 ramp

primary

#521018

secondary

#328C81

accent

#EAD53E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #521018

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

Preview Lab → · Contrast checker → · Palette generator →