#551D10#551D10

#551D10 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.087 H 34.5°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#551D10
RGB	rgb(85, 29, 16)
HSL	hsl(11, 68%, 20%)
HSV	hsv(11, 81%, 33%)
CMYK	cmyk(0%, 65.9%, 81.2%, 66.7%)
CIE-LAB	lab(19.42, 25.19, 21.84)
CIE-LCH	lch(19.42, 33.34, 40.93°)
OKLab	oklab(31.49% 0.0715 0.049)
OKLCH	oklch(31.49% 0.087 34.5)
XYZ	xyz(4.2797, 2.8480, 0.8145)
Luminance	0.0285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551D10 #104855

analogous

#551026 #551D10 #553F10

triadic

#551D10 #10551D #1D1055

tetradic

#551D10 #265510 #104855 #3F1055

square

#551D10 #265510 #104855 #3F1055

split-complementary

#551D10 #10553F #102655

monochromatic

#1A0905 #210B06 #551D10 #892F1A #BC4023

Accessibility & contrast

On white

13.38

#551D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#551D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551D10

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551D10	#FFFFFF	#000000	##FFFFFF
##551D10	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270E

Deuteranopia (green-blind)

#3A340E

Tritanopia (blue-blind)

#5E101A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551d10;
/* rgb */ color: rgb(85, 29, 16);
/* oklch */ color: oklch(31.5% 0.087 34.5);

Tailwind

colors: {
  custom: {
    50: '#8a5b4f',
    500: '#551d10',
    950: '#000000',
  },
}

SCSS

$custom: #551d10;
$custom-light: #8a5b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#551d10",
  "rgb": {
    "r": 85,
    "g": 29,
    "b": 16
  },
  "hsl": {
    "h": 11.304,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31494,
    "c": 0.08665,
    "h": 34.5
  },
  "luminance": 0.02847
}

Semantic roles & 50–950 ramp

primary

#551D10

secondary

#327D8F

accent

#CAEB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #551D10

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

Preview Lab → · Contrast checker → · Palette generator →