#57171F#57171F

#57171F is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.3% C 0.094 H 17.3°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#57171F
RGB	rgb(87, 23, 31)
HSL	hsl(353, 58%, 22%)
HSV	hsv(353, 74%, 34%)
CMYK	cmyk(0%, 73.6%, 64.4%, 65.9%)
CIE-LAB	lab(18.97, 29.96, 11.41)
CIE-LCH	lch(18.97, 32.06, 20.85°)
OKLab	oklab(31.31% 0.0896 0.0279)
OKLCH	oklch(31.31% 0.094 17.3)
XYZ	xyz(4.4846, 2.7386, 1.5885)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57171F #17574F

analogous

#57173F #57171F #572F17

triadic

#57171F #1F5717 #171F57

tetradic

#57171F #3F5717 #17574F #2F1757

square

#57171F #3F5717 #17574F #2F1757

split-complementary

#57171F #17572F #173F57

monochromatic

#180609 #270A0E #57171F #872430 #B83141

Accessibility & contrast

On white

13.57

#57171F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#57171F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57171F

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57171F	#FFFFFF	#000000	##FFFFFF
##57171F	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27261F

Deuteranopia (green-blind)

#38331D

Tritanopia (blue-blind)

#60081A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #57171f;
/* rgb */ color: rgb(87, 23, 31);
/* oklch */ color: oklch(31.3% 0.094 17.3);

Tailwind

colors: {
  custom: {
    50: '#8b595a',
    500: '#57171f',
    950: '#000000',
  },
}

SCSS

$custom: #57171f;
$custom-light: #8b595a;
$custom-dark: #000000;

JSON

{
  "hex": "#57171f",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 31
  },
  "hsl": {
    "h": 352.5,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31308,
    "c": 0.09382,
    "h": 17.3
  },
  "luminance": 0.02738
}

Semantic roles & 50–950 ramp

primary

#57171F

secondary

#3C8E84

accent

#E1CE46

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0403

muted

#7D7978

Preview Lab

Preview with #57171F

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

Preview Lab → · Contrast checker → · Palette generator →