#551010#551010

#551010 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.101 H 25.8°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#551010
RGB	rgb(85, 16, 16)
HSL	hsl(0, 68%, 20%)
HSV	hsv(0, 81%, 33%)
CMYK	cmyk(0%, 81.2%, 81.2%, 66.7%)
CIE-LAB	lab(17.18, 31.28, 19.18)
CIE-LCH	lch(17.18, 36.69, 31.52°)
OKLab	oklab(29.81% 0.0905 0.0437)
OKLCH	oklch(29.81% 0.101 25.8)
XYZ	xyz(4.0256, 2.3399, 0.7298)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551010 #105555

analogous

#551033 #551010 #553310

triadic

#551010 #105510 #101055

tetradic

#551010 #335510 #105555 #331055

square

#551010 #335510 #105555 #331055

split-complementary

#551010 #105533 #103355

monochromatic

#1A0505 #210606 #551010 #891A1A #BC2323

Accessibility & contrast

On white

14.31

#551010 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#551010 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551010

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551010	#FFFFFF	#000000	##FFFFFF
##551010	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25210F

Deuteranopia (green-blind)

#36300D

Tritanopia (blue-blind)

#5E0011

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #551010;
/* rgb */ color: rgb(85, 16, 16);
/* oklch */ color: oklch(29.8% 0.101 25.8);

Tailwind

colors: {
  custom: {
    50: '#8b554e',
    500: '#551010',
    950: '#000000',
  },
}

SCSS

$custom: #551010;
$custom-light: #8b554e;
$custom-dark: #000000;

JSON

{
  "hex": "#551010",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 16
  },
  "hsl": {
    "h": 0,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.2981,
    "c": 0.1005,
    "h": 25.8
  },
  "luminance": 0.02339
}

Semantic roles & 50–950 ramp

primary

#551010

secondary

#328F8F

accent

#EBEB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #551010

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

Preview Lab → · Contrast checker → · Palette generator →