#550F1D#550F1D

#550F1D is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.0% C 0.101 H 14.8°. Best body text is #FFFFFF at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#550F1D
RGB	rgb(85, 15, 29)
HSL	hsl(348, 70%, 20%)
HSV	hsv(348, 82%, 33%)
CMYK	cmyk(0%, 82.4%, 65.9%, 66.7%)
CIE-LAB	lab(17.28, 32.45, 10.53)
CIE-LCH	lch(17.28, 34.11, 17.98°)
OKLab	oklab(29.97% 0.0974 0.0258)
OKLCH	oklch(29.97% 0.101 14.8)
XYZ	xyz(4.1393, 2.3623, 1.4002)
Luminance	0.0236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F1D #0F5547

analogous

#550F40 #550F1D #55240F

triadic

#550F1D #1D550F #0F1D55

tetradic

#550F1D #40550F #0F5547 #240F55

square

#550F1D #40550F #0F5547 #240F55

split-complementary

#550F1D #0F5524 #0F4055

monochromatic

#1A0509 #21060B #550F1D #89182F #BD2140

Accessibility & contrast

On white

14.26

#550F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#550F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F1D

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F1D	#FFFFFF	#000000	##FFFFFF
##550F1D	1.00	14.26	1.47	14.26
#FFFFFF	14.26	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211D

Deuteranopia (green-blind)

#34301B

Tritanopia (blue-blind)

#5E0015

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550f1d;
/* rgb */ color: rgb(85, 15, 29);
/* oklch */ color: oklch(30.0% 0.101 14.8);

Tailwind

colors: {
  custom: {
    50: '#8a5558',
    500: '#550f1d',
    950: '#000000',
  },
}

SCSS

$custom: #550f1d;
$custom-light: #8a5558;
$custom-dark: #000000;

JSON

{
  "hex": "#550f1d",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 29
  },
  "hsl": {
    "h": 348,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29966,
    "c": 0.10073,
    "h": 14.8
  },
  "luminance": 0.02362
}

Semantic roles & 50–950 ramp

primary

#550F1D

secondary

#318F7C

accent

#EDC93B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0303

muted

#7D7878

Preview Lab

Preview with #550F1D

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

Preview Lab → · Contrast checker → · Palette generator →