#551816#551816

#551816 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.9% C 0.091 H 25.8°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#551816
RGB	rgb(85, 24, 22)
HSL	hsl(2, 59%, 21%)
HSV	hsv(2, 74%, 33%)
CMYK	cmyk(0%, 71.8%, 74.1%, 66.7%)
CIE-LAB	lab(18.55, 28.09, 17.05)
CIE-LCH	lch(18.55, 32.85, 31.25°)
OKLab	oklab(30.87% 0.0819 0.0397)
OKLCH	oklch(30.87% 0.091 25.8)
XYZ	xyz(4.2182, 2.6431, 1.0470)
Luminance	0.0264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551816 #165355

analogous

#551633 #551816 #553716

triadic

#551816 #165518 #181655

tetradic

#551816 #335516 #165355 #371655

square

#551816 #335516 #165355 #371655

split-complementary

#551816 #165537 #163355

monochromatic

#180706 #240A09 #551816 #862623 #B6332F

Accessibility & contrast

On white

13.74

#551816 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#551816 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551816

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551816	#FFFFFF	#000000	##FFFFFF
##551816	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292515

Deuteranopia (green-blind)

#383214

Tritanopia (blue-blind)

#5E0818

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #551816;
/* rgb */ color: rgb(85, 24, 22);
/* oklch */ color: oklch(30.9% 0.091 25.8);

Tailwind

colors: {
  custom: {
    50: '#8a5953',
    500: '#551816',
    950: '#000000',
  },
}

SCSS

$custom: #551816;
$custom-light: #8a5953;
$custom-dark: #000000;

JSON

{
  "hex": "#551816",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 22
  },
  "hsl": {
    "h": 1.905,
    "s": 58.879,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30867,
    "c": 0.09098,
    "h": 25.8
  },
  "luminance": 0.02642
}

Semantic roles & 50–950 ramp

primary

#551816

secondary

#3A8A8C

accent

#DDE246

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0402

muted

#7D7978

Preview Lab

Preview with #551816

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

Preview Lab → · Contrast checker → · Palette generator →