#5C181F#5C181F

#5C181F is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.4% C 0.099 H 18.9°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#5C181F
RGB	rgb(92, 24, 31)
HSL	hsl(354, 59%, 23%)
HSV	hsv(354, 74%, 36%)
CMYK	cmyk(0%, 73.9%, 66.3%, 63.9%)
CIE-LAB	lab(20.16, 31.35, 13.17)
CIE-LCH	lch(20.16, 34.01, 22.79°)
OKLab	oklab(32.39% 0.0933 0.0319)
OKLCH	oklch(32.39% 0.099 18.9)
XYZ	xyz(4.9881, 3.0282, 1.6179)
Luminance	0.0303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C181F #185C55

analogous

#5C1841 #5C181F #5C3318

triadic

#5C181F #1F5C18 #181F5C

tetradic

#5C181F #415C18 #185C55 #33185C

square

#5C181F #415C18 #185C55 #33185C

split-complementary

#5C181F #185C33 #18415C

monochromatic

#180608 #2B0B0F #5C181F #8D252F #BD3140

Accessibility & contrast

On white

13.08

#5C181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#5C181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C181F

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C181F	#FFFFFF	#000000	##FFFFFF
##5C181F	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281F

Deuteranopia (green-blind)

#3B361D

Tritanopia (blue-blind)

#65071B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5c181f;
/* rgb */ color: rgb(92, 24, 31);
/* oklch */ color: oklch(32.4% 0.099 18.9);

Tailwind

colors: {
  custom: {
    50: '#8f5a5a',
    500: '#5c181f',
    950: '#000000',
  },
}

SCSS

$custom: #5c181f;
$custom-light: #8f5a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#5c181f",
  "rgb": {
    "r": 92,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 353.824,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32387,
    "c": 0.09857,
    "h": 18.9
  },
  "luminance": 0.03028
}

Semantic roles & 50–950 ramp

primary

#5C181F

secondary

#3D938A

accent

#E2D246

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5C181F

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

Preview Lab → · Contrast checker → · Palette generator →