#550F1C#550F1C

#550F1C is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.101 H 15.7°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#550F1C
RGB	rgb(85, 15, 28)
HSL	hsl(349, 70%, 20%)
HSV	hsv(349, 82%, 33%)
CMYK	cmyk(0%, 82.4%, 67.1%, 66.7%)
CIE-LAB	lab(17.26, 32.38, 11.22)
CIE-LCH	lch(17.26, 34.26, 19.11°)
OKLab	oklab(29.94% 0.0969 0.0273)
OKLCH	oklch(29.94% 0.101 15.7)
XYZ	xyz(4.1272, 2.3574, 1.3361)
Luminance	0.0236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550F1C #0F5548

analogous

#550F3F #550F1C #55250F

triadic

#550F1C #1C550F #0F1C55

tetradic

#550F1C #3F550F #0F5548 #250F55

square

#550F1C #3F550F #0F5548 #250F55

split-complementary

#550F1C #0F5525 #0F3F55

monochromatic

#1A0509 #21060B #550F1C #89182D #BD213E

Accessibility & contrast

On white

14.27

#550F1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#550F1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550F1C

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550F1C	#FFFFFF	#000000	##FFFFFF
##550F1C	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23211C

Deuteranopia (green-blind)

#34301A

Tritanopia (blue-blind)

#5E0015

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550f1c;
/* rgb */ color: rgb(85, 15, 28);
/* oklch */ color: oklch(29.9% 0.101 15.7);

Tailwind

colors: {
  custom: {
    50: '#8a5557',
    500: '#550f1c',
    950: '#000000',
  },
}

SCSS

$custom: #550f1c;
$custom-light: #8a5557;
$custom-dark: #000000;

JSON

{
  "hex": "#550f1c",
  "rgb": {
    "r": 85,
    "g": 15,
    "b": 28
  },
  "hsl": {
    "h": 348.857,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29941,
    "c": 0.10069,
    "h": 15.7
  },
  "luminance": 0.02357
}

Semantic roles & 50–950 ramp

primary

#550F1C

secondary

#318F7D

accent

#EDCC3B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0303

muted

#7D7878

Preview Lab

Preview with #550F1C

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

Preview Lab → · Contrast checker → · Palette generator →