#56181B#56181B

#56181B is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.2% C 0.092 H 21.5°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#56181B
RGB	rgb(86, 24, 27)
HSL	hsl(357, 56%, 22%)
HSV	hsv(357, 72%, 34%)
CMYK	cmyk(0%, 72.1%, 68.6%, 66.3%)
CIE-LAB	lab(18.85, 28.81, 14.02)
CIE-LCH	lch(18.85, 32.04, 25.95°)
OKLab	oklab(31.16% 0.0852 0.0336)
OKLCH	oklch(31.16% 0.092 21.5)
XYZ	xyz(4.3626, 2.7114, 1.3303)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#56181B #185653

analogous

#56183A #56181B #563418

triadic

#56181B #1B5618 #181B56

tetradic

#56181B #3A5618 #185653 #341856

square

#56181B #3A5618 #185653 #341856

split-complementary

#56181B #185634 #183A56

monochromatic

#180708 #260B0C #56181B #86252A #B63339

Accessibility & contrast

On white

13.62

#56181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#56181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #56181B

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##56181B	#FFFFFF	#000000	##FFFFFF
##56181B	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28251B

Deuteranopia (green-blind)

#383319

Tritanopia (blue-blind)

#5F091A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #56181b;
/* rgb */ color: rgb(86, 24, 27);
/* oklch */ color: oklch(31.2% 0.092 21.5);

Tailwind

colors: {
  custom: {
    50: '#8b5957',
    500: '#56181b',
    950: '#000000',
  },
}

SCSS

$custom: #56181b;
$custom-light: #8b5957;
$custom-dark: #000000;

JSON

{
  "hex": "#56181b",
  "rgb": {
    "r": 86,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 357.097,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31156,
    "c": 0.09155,
    "h": 21.5
  },
  "luminance": 0.02711
}

Semantic roles & 50–950 ramp

primary

#56181B

secondary

#3D8D89

accent

#E0D848

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0403

muted

#7D7978

Preview Lab

Preview with #56181B

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

Preview Lab → · Contrast checker → · Palette generator →