#551D15#551D15

#551D15 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.6% C 0.085 H 30.6°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#551D15
RGB	rgb(85, 29, 21)
HSL	hsl(8, 60%, 21%)
HSV	hsv(8, 75%, 33%)
CMYK	cmyk(0%, 65.9%, 75.3%, 66.7%)
CIE-LAB	lab(19.49, 25.47, 18.83)
CIE-LCH	lch(19.49, 31.67, 36.49°)
OKLab	oklab(31.57% 0.0734 0.0434)
OKLCH	oklch(31.57% 0.085 30.6)
XYZ	xyz(4.3215, 2.8648, 1.0347)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D15 #154D55

analogous

#55152D #551D15 #553D15

triadic

#551D15 #15551D #1D1555

tetradic

#551D15 #2D5515 #154D55 #3D1555

square

#551D15 #2D5515 #154D55 #3D1555

split-complementary

#551D15 #15553D #152D55

monochromatic

#190806 #240C09 #551D15 #862E21 #B73E2D

Accessibility & contrast

On white

13.35

#551D15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#551D15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D15

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D15	#FFFFFF	#000000	##FFFFFF
##551D15	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)

#2C2814

Deuteranopia (green-blind)

#3A3413

Tritanopia (blue-blind)

#5E111B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551d15;
/* rgb */ color: rgb(85, 29, 21);
/* oklch */ color: oklch(31.6% 0.085 30.6);

Tailwind

colors: {
  custom: {
    50: '#8a5c52',
    500: '#551d15',
    950: '#000000',
  },
}

SCSS

$custom: #551d15;
$custom-light: #8a5c52;
$custom-dark: #000000;

JSON

{
  "hex": "#551d15",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 21
  },
  "hsl": {
    "h": 7.5,
    "s": 60.377,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31569,
    "c": 0.08531,
    "h": 30.6
  },
  "luminance": 0.02864
}

Semantic roles & 50–950 ramp

primary

#551D15

secondary

#39828D

accent

#D0E444

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0D0402

muted

#7D7978

Preview Lab

Preview with #551D15

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

Preview Lab → · Contrast checker → · Palette generator →