#551510#551510

#551510 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.095 H 28.5°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#551510
RGB	rgb(85, 21, 16)
HSL	hsl(4, 68%, 20%)
HSV	hsv(4, 81%, 33%)
CMYK	cmyk(0%, 75.3%, 81.2%, 66.7%)
CIE-LAB	lab(17.94, 29.17, 20.10)
CIE-LCH	lch(17.94, 35.42, 34.58°)
OKLab	oklab(30.38% 0.0838 0.0455)
OKLCH	oklch(30.38% 0.095 28.5)
XYZ	xyz(4.1085, 2.5056, 0.7574)
Luminance	0.0250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551510 #105055

analogous

#55102D #551510 #553810

triadic

#551510 #105515 #151055

tetradic

#551510 #2D5510 #105055 #381055

square

#551510 #2D5510 #105055 #381055

split-complementary

#551510 #105538 #102D55

monochromatic

#1A0605 #210806 #551510 #89221A #BC2E23

Accessibility & contrast

On white

13.99

#551510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#551510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551510

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551510	#FFFFFF	#000000	##FFFFFF
##551510	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)

#27230F

Deuteranopia (green-blind)

#37310E

Tritanopia (blue-blind)

#5E0214

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #551510;
/* rgb */ color: rgb(85, 21, 16);
/* oklch */ color: oklch(30.4% 0.095 28.5);

Tailwind

colors: {
  custom: {
    50: '#8b574e',
    500: '#551510',
    950: '#000000',
  },
}

SCSS

$custom: #551510;
$custom-light: #8b574e;
$custom-dark: #000000;

JSON

{
  "hex": "#551510",
  "rgb": {
    "r": 85,
    "g": 21,
    "b": 16
  },
  "hsl": {
    "h": 4.348,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30381,
    "c": 0.09541,
    "h": 28.5
  },
  "luminance": 0.02505
}

Semantic roles & 50–950 ramp

primary

#551510

secondary

#32888F

accent

#DFEB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #551510

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

Preview Lab → · Contrast checker → · Palette generator →