#520B1B#520B1B

#520B1B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.9% C 0.101 H 14.3°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#520B1B
RGB	rgb(82, 11, 27)
HSL	hsl(346, 76%, 18%)
HSV	hsv(346, 87%, 32%)
CMYK	cmyk(0%, 86.6%, 67.1%, 67.8%)
CIE-LAB	lab(16.07, 32.71, 10.24)
CIE-LCH	lch(16.07, 34.27, 17.38°)
OKLab	oklab(28.93% 0.0982 0.025)
OKLCH	oklch(28.93% 0.101 14.3)
XYZ	xyz(3.7976, 2.1129, 1.2446)
Luminance	0.0211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#520B1B #0B5242

analogous

#520B3E #520B1B #521E0B

triadic

#520B1B #1B520B #0B1B52

tetradic

#520B1B #3E520B #0B5242 #1E0B52

square

#520B1B #3E520B #0B5242 #1E0B52

split-complementary

#520B1B #0B521E #0B3E52

monochromatic

#1B0409 #1C0409 #520B1B #88122D #BE193F

Accessibility & contrast

On white

14.76

#520B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#520B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #520B1B

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##520B1B	#FFFFFF	#000000	##FFFFFF
##520B1B	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1B

Deuteranopia (green-blind)

#322D19

Tritanopia (blue-blind)

#5B0012

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #520b1b;
/* rgb */ color: rgb(82, 11, 27);
/* oklch */ color: oklch(28.9% 0.101 14.3);

Tailwind

colors: {
  custom: {
    50: '#885256',
    500: '#520b1b',
    950: '#000000',
  },
}

SCSS

$custom: #520b1b;
$custom-light: #885256;
$custom-dark: #000000;

JSON

{
  "hex": "#520b1b",
  "rgb": {
    "r": 82,
    "g": 11,
    "b": 27
  },
  "hsl": {
    "h": 346.479,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28932,
    "c": 0.10136,
    "h": 14.3
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#520B1B

secondary

#2B8E78

accent

#F3C835

background

#F8F4F5

surface

#F0E7E9

border

#CBC3C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #520B1B

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

Preview Lab → · Contrast checker → · Palette generator →