#551817#551817

#551817 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.9% C 0.091 H 25.0°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#551817
RGB	rgb(85, 24, 23)
HSL	hsl(1, 57%, 21%)
HSV	hsv(1, 73%, 33%)
CMYK	cmyk(0%, 71.8%, 72.9%, 66.7%)
CIE-LAB	lab(18.57, 28.15, 16.39)
CIE-LCH	lch(18.57, 32.57, 30.20°)
OKLab	oklab(30.89% 0.0823 0.0384)
OKLCH	oklch(30.89% 0.091 25)
XYZ	xyz(4.2280, 2.6470, 1.0987)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551817 #175455

analogous

#551735 #551817 #553717

triadic

#551817 #175518 #181755

tetradic

#551817 #355517 #175455 #371755

square

#551817 #355517 #175455 #371755

split-complementary

#551817 #175537 #173555

monochromatic

#180707 #250A0A #551817 #852624 #B53331

Accessibility & contrast

On white

13.73

#551817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#551817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551817

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551817	#FFFFFF	#000000	##FFFFFF
##551817	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282516

Deuteranopia (green-blind)

#383215

Tritanopia (blue-blind)

#5E0918

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #551817;
/* rgb */ color: rgb(85, 24, 23);
/* oklch */ color: oklch(30.9% 0.091 25.0);

Tailwind

colors: {
  custom: {
    50: '#8a5954',
    500: '#551817',
    950: '#000000',
  },
}

SCSS

$custom: #551817;
$custom-light: #8a5954;
$custom-dark: #000000;

JSON

{
  "hex": "#551817",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 0.968,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30885,
    "c": 0.09082,
    "h": 25
  },
  "luminance": 0.02646
}

Semantic roles & 50–950 ramp

primary

#551817

secondary

#3C8B8C

accent

#DEE147

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0402

muted

#7D7978

Preview Lab

Preview with #551817

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

Preview Lab → · Contrast checker → · Palette generator →