#551011#551011

#551011 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.100 H 25.1°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#551011
RGB	rgb(85, 16, 17)
HSL	hsl(359, 68%, 20%)
HSV	hsv(359, 81%, 33%)
CMYK	cmyk(0%, 81.2%, 80%, 66.7%)
CIE-LAB	lab(17.19, 31.32, 18.63)
CIE-LCH	lch(17.19, 36.44, 30.74°)
OKLab	oklab(29.83% 0.0909 0.0425)
OKLCH	oklch(29.83% 0.1 25.1)
XYZ	xyz(4.0332, 2.3430, 0.7701)
Luminance	0.0234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551011 #105554

analogous

#551034 #551011 #553110

triadic

#551011 #115510 #101155

tetradic

#551011 #345510 #105554 #311055

square

#551011 #345510 #105554 #311055

split-complementary

#551011 #105531 #103455

monochromatic

#1A0505 #210607 #551011 #891A1B #BC2326

Accessibility & contrast

On white

14.30

#551011 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#551011 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551011

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551011	#FFFFFF	#000000	##FFFFFF
##551011	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252110

Deuteranopia (green-blind)

#36300E

Tritanopia (blue-blind)

#5E0011

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #551011;
/* rgb */ color: rgb(85, 16, 17);
/* oklch */ color: oklch(29.8% 0.100 25.1);

Tailwind

colors: {
  custom: {
    50: '#8b554f',
    500: '#551011',
    950: '#000000',
  },
}

SCSS

$custom: #551011;
$custom-light: #8b554f;
$custom-dark: #000000;

JSON

{
  "hex": "#551011",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 17
  },
  "hsl": {
    "h": 359.13,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29825,
    "c": 0.10036,
    "h": 25.1
  },
  "luminance": 0.02342
}

Semantic roles & 50–950 ramp

primary

#551011

secondary

#328F8D

accent

#EBE93D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #551011

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

Preview Lab → · Contrast checker → · Palette generator →