#551F16#551F16

#551F16 is a dark, moderate red. Relative luminance 0.030; OKLCH L 31.9% C 0.083 H 31.5°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#551F16
RGB	rgb(85, 31, 22)
HSL	hsl(9, 59%, 21%)
HSV	hsv(9, 74%, 33%)
CMYK	cmyk(0%, 63.5%, 74.1%, 66.7%)
CIE-LAB	lab(19.92, 24.44, 18.68)
CIE-LCH	lch(19.92, 30.76, 37.39°)
OKLab	oklab(31.9% 0.0705 0.0432)
OKLCH	oklch(31.9% 0.083 31.5)
XYZ	xyz(4.3815, 2.9698, 1.1014)
Luminance	0.0297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551F16 #164C55

analogous

#55162C #551F16 #553E16

triadic

#551F16 #16551F #1F1655

tetradic

#551F16 #2C5516 #164C55 #3E1655

square

#551F16 #2C5516 #164C55 #3E1655

split-complementary

#551F16 #16553E #162C55

monochromatic

#180906 #240D09 #551F16 #863123 #B6422F

Accessibility & contrast

On white

13.18

#551F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#551F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551F16

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551F16	#FFFFFF	#000000	##FFFFFF
##551F16	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2915

Deuteranopia (green-blind)

#3B3515

Tritanopia (blue-blind)

#5E141D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #551f16;
/* rgb */ color: rgb(85, 31, 22);
/* oklch */ color: oklch(31.9% 0.083 31.5);

Tailwind

colors: {
  custom: {
    50: '#8a5d53',
    500: '#551f16',
    950: '#000000',
  },
}

SCSS

$custom: #551f16;
$custom-light: #8a5d53;
$custom-dark: #000000;

JSON

{
  "hex": "#551f16",
  "rgb": {
    "r": 85,
    "g": 31,
    "b": 22
  },
  "hsl": {
    "h": 8.571,
    "s": 58.879,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31897,
    "c": 0.08268,
    "h": 31.5
  },
  "luminance": 0.02969
}

Semantic roles & 50–950 ramp

primary

#551F16

secondary

#3A818C

accent

#CCE246

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #551F16

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

Preview Lab → · Contrast checker → · Palette generator →