#551D17#551D17

#551D17 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.6% C 0.085 H 28.9°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#551D17
RGB	rgb(85, 29, 23)
HSL	hsl(6, 57%, 21%)
HSV	hsv(6, 73%, 33%)
CMYK	cmyk(0%, 65.9%, 72.9%, 66.7%)
CIE-LAB	lab(19.53, 25.59, 17.55)
CIE-LCH	lch(19.53, 31.03, 34.43°)
OKLab	oklab(31.6% 0.0743 0.0409)
OKLCH	oklch(31.6% 0.085 28.9)
XYZ	xyz(4.3408, 2.8725, 1.1363)
Luminance	0.0287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D17 #174F55

analogous

#551730 #551D17 #553C17

triadic

#551D17 #17551D #1D1755

tetradic

#551D17 #305517 #174F55 #3C1755

square

#551D17 #305517 #174F55 #3C1755

split-complementary

#551D17 #17553C #173055

monochromatic

#180807 #250D0A #551D17 #852D24 #B53E31

Accessibility & contrast

On white

13.34

#551D17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#551D17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D17

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D17	#FFFFFF	#000000	##FFFFFF
##551D17	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2816

Deuteranopia (green-blind)

#3A3415

Tritanopia (blue-blind)

#5E111C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551d17;
/* rgb */ color: rgb(85, 29, 23);
/* oklch */ color: oklch(31.6% 0.085 28.9);

Tailwind

colors: {
  custom: {
    50: '#8a5c54',
    500: '#551d17',
    950: '#000000',
  },
}

SCSS

$custom: #551d17;
$custom-light: #8a5c54;
$custom-dark: #000000;

JSON

{
  "hex": "#551d17",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 23
  },
  "hsl": {
    "h": 5.806,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31603,
    "c": 0.08482,
    "h": 28.9
  },
  "luminance": 0.02872
}

Semantic roles & 50–950 ramp

primary

#551D17

secondary

#3C848C

accent

#D2E147

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #551D17

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

Preview Lab → · Contrast checker → · Palette generator →