#55101F#55101F

#55101F is a dark, moderate red. Relative luminance 0.024; OKLCH L 30.1% C 0.100 H 13.4°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#55101F
RGB	rgb(85, 16, 31)
HSL	hsl(347, 68%, 20%)
HSV	hsv(347, 81%, 33%)
CMYK	cmyk(0%, 81.2%, 63.5%, 66.7%)
CIE-LAB	lab(17.47, 32.23, 9.34)
CIE-LCH	lch(17.47, 33.55, 16.16°)
OKLab	oklab(30.12% 0.0971 0.0231)
OKLCH	oklch(30.12% 0.1 13.4)
XYZ	xyz(4.1793, 2.4014, 1.5395)
Luminance	0.0240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55101F #105546

analogous

#551041 #55101F #552410

triadic

#55101F #1F5510 #101F55

tetradic

#55101F #415510 #105546 #241055

square

#55101F #415510 #105546 #241055

split-complementary

#55101F #105524 #104155

monochromatic

#1A0509 #21060C #55101F #891A32 #BC2345

Accessibility & contrast

On white

14.19

#55101F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#55101F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55101F

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55101F	#FFFFFF	#000000	##FFFFFF
##55101F	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221F

Deuteranopia (green-blind)

#34301D

Tritanopia (blue-blind)

#5E0016

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #55101f;
/* rgb */ color: rgb(85, 16, 31);
/* oklch */ color: oklch(30.1% 0.100 13.4);

Tailwind

colors: {
  custom: {
    50: '#8a555a',
    500: '#55101f',
    950: '#000000',
  },
}

SCSS

$custom: #55101f;
$custom-light: #8a555a;
$custom-dark: #000000;

JSON

{
  "hex": "#55101f",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 31
  },
  "hsl": {
    "h": 346.957,
    "s": 68.317,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30116,
    "c": 0.09979,
    "h": 13.4
  },
  "luminance": 0.02401
}

Semantic roles & 50–950 ramp

primary

#55101F

secondary

#328F7A

accent

#EBC53D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #55101F

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

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