#550F1F#550F1F

#550F1F is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.0% C 0.101 H 13.0°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#550F1F
RGB	rgb(85, 15, 31)
HSL	hsl(346, 70%, 20%)
HSV	hsv(346, 82%, 33%)
CMYK	cmyk(0%, 82.4%, 63.5%, 66.7%)
CIE-LAB	lab(17.33, 32.60, 9.16)
CIE-LCH	lch(17.33, 33.87, 15.69°)
OKLab	oklab(30.02% 0.0983 0.0227)
OKLCH	oklch(30.02% 0.101 13)
XYZ	xyz(4.1649, 2.3725, 1.5347)
Luminance	0.0237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F1F #0F5545

analogous

#550F42 #550F1F #55220F

triadic

#550F1F #1F550F #0F1F55

tetradic

#550F1F #42550F #0F5545 #220F55

square

#550F1F #42550F #0F5545 #220F55

split-complementary

#550F1F #0F5522 #0F4255

monochromatic

#1A0509 #21060C #550F1F #891832 #BD2145

Accessibility & contrast

On white

14.24

#550F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#550F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F1F

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F1F	#FFFFFF	#000000	##FFFFFF
##550F1F	1.00	14.24	1.47	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211F

Deuteranopia (green-blind)

#34301D

Tritanopia (blue-blind)

#5E0016

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #550f1f;
/* rgb */ color: rgb(85, 15, 31);
/* oklch */ color: oklch(30.0% 0.101 13.0);

Tailwind

colors: {
  custom: {
    50: '#8a555a',
    500: '#550f1f',
    950: '#000000',
  },
}

SCSS

$custom: #550f1f;
$custom-light: #8a555a;
$custom-dark: #000000;

JSON

{
  "hex": "#550f1f",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 31
  },
  "hsl": {
    "h": 346.286,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.30017,
    "c": 0.10087,
    "h": 13
  },
  "luminance": 0.02372
}

Semantic roles & 50–950 ramp

primary

#550F1F

secondary

#318F79

accent

#EDC43B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0303

muted

#7D7878

Preview Lab

Preview with #550F1F

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

Preview Lab → · Contrast checker → · Palette generator →