#551110#551110

#551110 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.100 H 26.3°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#551110
RGB	rgb(85, 17, 16)
HSL	hsl(1, 68%, 20%)
HSV	hsv(1, 81%, 33%)
CMYK	cmyk(0%, 80%, 81.2%, 66.7%)
CIE-LAB	lab(17.32, 30.88, 19.35)
CIE-LCH	lch(17.32, 36.45, 32.08°)
OKLab	oklab(29.92% 0.0893 0.044)
OKLCH	oklch(29.92% 0.1 26.3)
XYZ	xyz(4.0408, 2.3702, 0.7348)
Luminance	0.0237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551110 #105455

analogous

#551031 #551110 #553410

triadic

#551110 #105511 #111055

tetradic

#551110 #315510 #105455 #341055

square

#551110 #315510 #105455 #341055

split-complementary

#551110 #105534 #103155

monochromatic

#1A0505 #210706 #551110 #891B1A #BC2623

Accessibility & contrast

On white

14.25

#551110 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#551110 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551110

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551110	#FFFFFF	#000000	##FFFFFF
##551110	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25210F

Deuteranopia (green-blind)

#36300D

Tritanopia (blue-blind)

#5E0012

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #551110;
/* rgb */ color: rgb(85, 17, 16);
/* oklch */ color: oklch(29.9% 0.100 26.3);

Tailwind

colors: {
  custom: {
    50: '#8b554e',
    500: '#551110',
    950: '#000000',
  },
}

SCSS

$custom: #551110;
$custom-light: #8b554e;
$custom-dark: #000000;

JSON

{
  "hex": "#551110",
  "rgb": {
    "r": 85,
    "g": 17,
    "b": 16
  },
  "hsl": {
    "h": 0.87,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29916,
    "c": 0.09952,
    "h": 26.3
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#551110

secondary

#328D8F

accent

#E9EB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #551110

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

Preview Lab → · Contrast checker → · Palette generator →