#551D16#551D16

#551D16 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.6% C 0.085 H 29.7°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#551D16
RGB	rgb(85, 29, 22)
HSL	hsl(7, 59%, 21%)
HSV	hsv(7, 74%, 33%)
CMYK	cmyk(0%, 65.9%, 74.1%, 66.7%)
CIE-LAB	lab(19.51, 25.53, 18.19)
CIE-LCH	lch(19.51, 31.35, 35.47°)
OKLab	oklab(31.59% 0.0739 0.0422)
OKLCH	oklch(31.59% 0.085 29.7)
XYZ	xyz(4.3309, 2.8685, 1.0845)
Luminance	0.0287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D16 #164E55

analogous

#55162E #551D16 #553C16

triadic

#551D16 #16551D #1D1655

tetradic

#551D16 #2E5516 #164E55 #3C1655

square

#551D16 #2E5516 #164E55 #3C1655

split-complementary

#551D16 #16553C #162E55

monochromatic

#180806 #240C09 #551D16 #862E23 #B63E2F

Accessibility & contrast

On white

13.35

#551D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#551D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D16

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D16	#FFFFFF	#000000	##FFFFFF
##551D16	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2815

Deuteranopia (green-blind)

#3A3414

Tritanopia (blue-blind)

#5E111C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551d16;
/* rgb */ color: rgb(85, 29, 22);
/* oklch */ color: oklch(31.6% 0.085 29.7);

Tailwind

colors: {
  custom: {
    50: '#8a5c53',
    500: '#551d16',
    950: '#000000',
  },
}

SCSS

$custom: #551d16;
$custom-light: #8a5c53;
$custom-dark: #000000;

JSON

{
  "hex": "#551d16",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 22
  },
  "hsl": {
    "h": 6.667,
    "s": 58.879,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31586,
    "c": 0.08506,
    "h": 29.7
  },
  "luminance": 0.02868
}

Semantic roles & 50–950 ramp

primary

#551D16

secondary

#3A838C

accent

#D1E246

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0402

muted

#7D7978

Preview Lab

Preview with #551D16

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

Preview Lab → · Contrast checker → · Palette generator →