#5C181A#5C181A

#5C181A is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.099 H 23.1°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#5C181A
RGB	rgb(92, 24, 26)
HSL	hsl(358, 59%, 23%)
HSV	hsv(358, 74%, 36%)
CMYK	cmyk(0%, 73.9%, 71.7%, 63.9%)
CIE-LAB	lab(20.06, 31.00, 16.49)
CIE-LCH	lch(20.06, 35.12, 28.01°)
OKLab	oklab(32.28% 0.0911 0.0388)
OKLCH	oklch(32.28% 0.099 23.1)
XYZ	xyz(4.9272, 3.0039, 1.2974)
Luminance	0.0300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C181A #185C5A

analogous

#5C183C #5C181A #5C3818

triadic

#5C181A #1A5C18 #181A5C

tetradic

#5C181A #3C5C18 #185C5A #38185C

square

#5C181A #3C5C18 #185C5A #38185C

split-complementary

#5C181A #185C38 #183C5C

monochromatic

#180607 #2B0B0C #5C181A #8D2528 #BD3135

Accessibility & contrast

On white

13.12

#5C181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5C181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C181A

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C181A	#FFFFFF	#000000	##FFFFFF
##5C181A	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2719

Deuteranopia (green-blind)

#3C3618

Tritanopia (blue-blind)

#660519

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5c181a;
/* rgb */ color: rgb(92, 24, 26);
/* oklch */ color: oklch(32.3% 0.099 23.1);

Tailwind

colors: {
  custom: {
    50: '#905a56',
    500: '#5c181a',
    950: '#000000',
  },
}

SCSS

$custom: #5c181a;
$custom-light: #905a56;
$custom-dark: #000000;

JSON

{
  "hex": "#5c181a",
  "rgb": {
    "r": 92,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.235,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32283,
    "c": 0.09898,
    "h": 23.1
  },
  "luminance": 0.03003
}

Semantic roles & 50–950 ramp

primary

#5C181A

secondary

#3D9390

accent

#E2DD46

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5C181A

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

Preview Lab → · Contrast checker → · Palette generator →