#5C171B#5C171B

#5C171B is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.100 H 21.7°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#5C171B
RGB	rgb(92, 23, 27)
HSL	hsl(357, 60%, 23%)
HSV	hsv(357, 75%, 36%)
CMYK	cmyk(0%, 75%, 70.7%, 63.9%)
CIE-LAB	lab(19.91, 31.52, 15.63)
CIE-LCH	lch(19.91, 35.18, 26.37°)
OKLab	oklab(32.18% 0.0929 0.037)
OKLCH	oklch(32.18% 0.1 21.7)
XYZ	xyz(4.9184, 2.9679, 1.3506)
Luminance	0.0297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C171B #175C58

analogous

#5C173D #5C171B #5C3617

triadic

#5C171B #1B5C17 #171B5C

tetradic

#5C171B #3D5C17 #175C58 #36175C

square

#5C171B #3D5C17 #175C58 #36175C

split-complementary

#5C171B #175C36 #173D5C

monochromatic

#180607 #2B0B0D #5C171B #8D2329 #BE2F38

Accessibility & contrast

On white

13.18

#5C171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#5C171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C171B

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C171B	#FFFFFF	#000000	##FFFFFF
##5C171B	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271B

Deuteranopia (green-blind)

#3B3619

Tritanopia (blue-blind)

#660419

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5c171b;
/* rgb */ color: rgb(92, 23, 27);
/* oklch */ color: oklch(32.2% 0.100 21.7);

Tailwind

colors: {
  custom: {
    50: '#905957',
    500: '#5c171b',
    950: '#000000',
  },
}

SCSS

$custom: #5c171b;
$custom-light: #905957;
$custom-dark: #000000;

JSON

{
  "hex": "#5c171b",
  "rgb": {
    "r": 92,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 356.522,
    "s": 60,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32181,
    "c": 0.1,
    "h": 21.7
  },
  "luminance": 0.02967
}

Semantic roles & 50–950 ramp

primary

#5C171B

secondary

#3C938E

accent

#E3DA45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5C171B

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

Preview Lab → · Contrast checker → · Palette generator →