#5A171C#5A171C

#5A171C is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.098 H 20.6°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#5A171C
RGB	rgb(90, 23, 28)
HSL	hsl(356, 59%, 22%)
HSV	hsv(356, 74%, 35%)
CMYK	cmyk(0%, 74.4%, 68.9%, 64.7%)
CIE-LAB	lab(19.52, 30.85, 14.35)
CIE-LCH	lch(19.52, 34.02, 24.95°)
OKLab	oklab(31.82% 0.0913 0.0343)
OKLCH	oklch(31.82% 0.098 20.6)
XYZ	xyz(4.7329, 2.8710, 1.4033)
Luminance	0.0287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A171C #175A55

analogous

#5A173E #5A171C #5A3317

triadic

#5A171C #1C5A17 #171C5A

tetradic

#5A171C #3E5A17 #175A55 #33175A

square

#5A171C #3E5A17 #175A55 #33175A

split-complementary

#5A171C #175A33 #173E5A

monochromatic

#180608 #290B0D #5A171C #8B232B #BB303A

Accessibility & contrast

On white

13.34

#5A171C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#5A171C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A171C

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A171C	#FFFFFF	#000000	##FFFFFF
##5A171C	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29261C

Deuteranopia (green-blind)

#3A341A

Tritanopia (blue-blind)

#630619

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5a171c;
/* rgb */ color: rgb(90, 23, 28);
/* oklch */ color: oklch(31.8% 0.098 20.6);

Tailwind

colors: {
  custom: {
    50: '#8e5958',
    500: '#5a171c',
    950: '#000000',
  },
}

SCSS

$custom: #5a171c;
$custom-light: #8e5958;
$custom-dark: #000000;

JSON

{
  "hex": "#5a171c",
  "rgb": {
    "r": 90,
    "g": 23,
    "b": 28
  },
  "hsl": {
    "h": 355.522,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31816,
    "c": 0.09754,
    "h": 20.6
  },
  "luminance": 0.0287
}

Semantic roles & 50–950 ramp

primary

#5A171C

secondary

#3C918B

accent

#E2D745

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5A171C

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

Preview Lab → · Contrast checker → · Palette generator →