#551A10#551A10

#551A10 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.090 H 32.0°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#551A10
RGB	rgb(85, 26, 16)
HSL	hsl(9, 68%, 20%)
HSV	hsv(9, 81%, 33%)
CMYK	cmyk(0%, 69.4%, 81.2%, 66.7%)
CIE-LAB	lab(18.83, 26.76, 21.16)
CIE-LCH	lch(18.83, 34.11, 38.34°)
OKLab	oklab(31.05% 0.0763 0.0477)
OKLCH	oklch(31.05% 0.09 32)
XYZ	xyz(4.2097, 2.7081, 0.7912)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551A10 #104B55

analogous

#551028 #551A10 #553D10

triadic

#551A10 #10551A #1A1055

tetradic

#551A10 #285510 #104B55 #3D1055

square

#551A10 #285510 #104B55 #3D1055

split-complementary

#551A10 #10553D #102855

monochromatic

#1A0805 #210A06 #551A10 #892A1A #BC3A23

Accessibility & contrast

On white

13.62

#551A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#551A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551A10

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551A10	#FFFFFF	#000000	##FFFFFF
##551A10	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A260F

Deuteranopia (green-blind)

#39330E

Tritanopia (blue-blind)

#5E0B18

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #551a10;
/* rgb */ color: rgb(85, 26, 16);
/* oklch */ color: oklch(31.1% 0.090 32.0);

Tailwind

colors: {
  custom: {
    50: '#8b5a4e',
    500: '#551a10',
    950: '#000000',
  },
}

SCSS

$custom: #551a10;
$custom-light: #8b5a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#551a10",
  "rgb": {
    "r": 85,
    "g": 26,
    "b": 16
  },
  "hsl": {
    "h": 8.696,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3105,
    "c": 0.08997,
    "h": 32
  },
  "luminance": 0.02707
}

Semantic roles & 50–950 ramp

primary

#551A10

secondary

#32818F

accent

#D2EB3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #551A10

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

Preview Lab → · Contrast checker → · Palette generator →