#551D13#551D13

#551D13 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.5% C 0.086 H 32.2°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#551D13
RGB	rgb(85, 29, 19)
HSL	hsl(9, 63%, 20%)
HSV	hsv(9, 78%, 33%)
CMYK	cmyk(0%, 65.9%, 77.6%, 66.7%)
CIE-LAB	lab(19.46, 25.35, 20.10)
CIE-LCH	lch(19.46, 32.35, 38.41°)
OKLab	oklab(31.54% 0.0726 0.0458)
OKLCH	oklch(31.54% 0.086 32.2)
XYZ	xyz(4.3037, 2.8576, 0.9409)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D13 #134B55

analogous

#55132A #551D13 #553E13

triadic

#551D13 #13551D #1D1355

tetradic

#551D13 #2A5513 #134B55 #3E1355

square

#551D13 #2A5513 #134B55 #3E1355

split-complementary

#551D13 #13553E #132A55

monochromatic

#190906 #230C08 #551D13 #872E1E #B93F29

Accessibility & contrast

On white

13.36

#551D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#551D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D13

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D13	#FFFFFF	#000000	##FFFFFF
##551D13	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2712

Deuteranopia (green-blind)

#3A3411

Tritanopia (blue-blind)

#5E101B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551d13;
/* rgb */ color: rgb(85, 29, 19);
/* oklch */ color: oklch(31.5% 0.086 32.2);

Tailwind

colors: {
  custom: {
    50: '#8a5c51',
    500: '#551d13',
    950: '#000000',
  },
}

SCSS

$custom: #551d13;
$custom-light: #8a5c51;
$custom-dark: #000000;

JSON

{
  "hex": "#551d13",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 19
  },
  "hsl": {
    "h": 9.091,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31537,
    "c": 0.08583,
    "h": 32.2
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#551D13

secondary

#36808D

accent

#CDE641

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0402

muted

#7D7978

Preview Lab

Preview with #551D13

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

Preview Lab → · Contrast checker → · Palette generator →