#5C180E#5C180E

#5C180E is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.101 H 31.3°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#5C180E
RGB	rgb(92, 24, 14)
HSL	hsl(8, 74%, 21%)
HSV	hsv(8, 85%, 36%)
CMYK	cmyk(0%, 73.9%, 84.8%, 63.9%)
CIE-LAB	lab(19.89, 30.39, 23.80)
CIE-LCH	lch(19.89, 38.60, 38.07°)
OKLab	oklab(32.1% 0.0863 0.0525)
OKLCH	oklch(32.1% 0.101 31.3)
XYZ	xyz(4.8201, 2.9610, 0.7331)
Luminance	0.0296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C180E #0E525C

analogous

#5C0E2B #5C180E #5C3F0E

triadic

#5C180E #0E5C18 #180E5C

tetradic

#5C180E #2B5C0E #0E525C #3F0E5C

square

#5C180E #2B5C0E #0E525C #3F0E5C

split-complementary

#5C180E #0E5C3F #0E2B5C

monochromatic

#1B0704 #270A06 #5C180E #912616 #C6341E

Accessibility & contrast

On white

13.19

#5C180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#5C180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C180E

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C180E	#FFFFFF	#000000	##FFFFFF
##5C180E	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270C

Deuteranopia (green-blind)

#3D360B

Tritanopia (blue-blind)

#660216

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5c180e;
/* rgb */ color: rgb(92, 24, 14);
/* oklch */ color: oklch(32.1% 0.101 31.3);

Tailwind

colors: {
  custom: {
    50: '#915a4d',
    500: '#5c180e',
    950: '#000000',
  },
}

SCSS

$custom: #5c180e;
$custom-light: #915a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#5c180e",
  "rgb": {
    "r": 92,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 7.692,
    "s": 73.585,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32099,
    "c": 0.10103,
    "h": 31.3
  },
  "luminance": 0.0296
}

Semantic roles & 50–950 ramp

primary

#5C180E

secondary

#308996

accent

#D9F038

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5C180E

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

Preview Lab → · Contrast checker → · Palette generator →