#551511#551511

#551511 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.095 H 27.8°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#551511
RGB	rgb(85, 21, 17)
HSL	hsl(4, 67%, 20%)
HSV	hsv(4, 80%, 33%)
CMYK	cmyk(0%, 75.3%, 80%, 66.7%)
CIE-LAB	lab(17.96, 29.21, 19.55)
CIE-LCH	lch(17.96, 35.15, 33.79°)
OKLab	oklab(30.4% 0.0843 0.0444)
OKLCH	oklch(30.4% 0.095 27.8)
XYZ	xyz(4.1161, 2.5087, 0.7977)
Luminance	0.0251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551511 #115155

analogous

#55112F #551511 #553711

triadic

#551511 #115515 #151155

tetradic

#551511 #2F5511 #115155 #371155

square

#551511 #2F5511 #115155 #371155

split-complementary

#551511 #115537 #112F55

monochromatic

#1A0605 #220807 #551511 #88221B #BB2E25

Accessibility & contrast

On white

13.99

#551511 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#551511 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551511

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551511	#FFFFFF	#000000	##FFFFFF
##551511	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272310

Deuteranopia (green-blind)

#37310F

Tritanopia (blue-blind)

#5E0215

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #551511;
/* rgb */ color: rgb(85, 21, 17);
/* oklch */ color: oklch(30.4% 0.095 27.8);

Tailwind

colors: {
  custom: {
    50: '#8b574f',
    500: '#551511',
    950: '#000000',
  },
}

SCSS

$custom: #551511;
$custom-light: #8b574f;
$custom-dark: #000000;

JSON

{
  "hex": "#551511",
  "rgb": {
    "r": 85,
    "g": 21,
    "b": 17
  },
  "hsl": {
    "h": 3.529,
    "s": 66.667,
    "l": 20
  },
  "oklch": {
    "l": 0.30396,
    "c": 0.09523,
    "h": 27.8
  },
  "luminance": 0.02508
}

Semantic roles & 50–950 ramp

primary

#551511

secondary

#34898E

accent

#E0EA3E

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #551511

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

Preview Lab → · Contrast checker → · Palette generator →