#55171F#55171F

#55171F is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.9% C 0.091 H 16.9°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#55171F
RGB	rgb(85, 23, 31)
HSL	hsl(352, 57%, 21%)
HSV	hsv(352, 73%, 33%)
CMYK	cmyk(0%, 72.9%, 63.5%, 66.7%)
CIE-LAB	lab(18.56, 29.22, 10.80)
CIE-LCH	lch(18.56, 31.15, 20.28°)
OKLab	oklab(30.93% 0.0875 0.0266)
OKLCH	oklch(30.93% 0.091 16.9)
XYZ	xyz(4.3004, 2.6436, 1.5799)
Luminance	0.0264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55171F #17554D

analogous

#55173E #55171F #552E17

triadic

#55171F #1F5517 #171F55

tetradic

#55171F #3E5517 #17554D #2E1755

square

#55171F #3E5517 #17554D #2E1755

split-complementary

#55171F #17552E #173E55

monochromatic

#180709 #250A0D #55171F #852431 #B53142

Accessibility & contrast

On white

13.74

#55171F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#55171F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55171F

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55171F	#FFFFFF	#000000	##FFFFFF
##55171F	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27251F

Deuteranopia (green-blind)

#37321D

Tritanopia (blue-blind)

#5E091A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #55171f;
/* rgb */ color: rgb(85, 23, 31);
/* oklch */ color: oklch(30.9% 0.091 16.9);

Tailwind

colors: {
  custom: {
    50: '#89585a',
    500: '#55171f',
    950: '#000000',
  },
}

SCSS

$custom: #55171f;
$custom-light: #89585a;
$custom-dark: #000000;

JSON

{
  "hex": "#55171f",
  "rgb": {
    "r": 85,
    "g": 23,
    "b": 31
  },
  "hsl": {
    "h": 352.258,
    "s": 57.407,
    "l": 21.176
  },
  "oklch": {
    "l": 0.30926,
    "c": 0.09139,
    "h": 16.9
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#55171F

secondary

#3C8C82

accent

#E1CD47

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #55171F

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

Preview Lab → · Contrast checker → · Palette generator →