#4C181A#4C181A

#4C181A is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.2% C 0.079 H 21.2°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#4C181A
RGB	rgb(76, 24, 26)
HSL	hsl(358, 52%, 20%)
HSV	hsv(358, 68%, 30%)
CMYK	cmyk(0%, 68.4%, 65.8%, 70.2%)
CIE-LAB	lab(16.82, 24.79, 11.71)
CIE-LCH	lch(16.82, 27.41, 25.28°)
OKLab	oklab(29.25% 0.0736 0.0285)
OKLCH	oklch(29.25% 0.079 21.2)
XYZ	xyz(3.4939, 2.2648, 1.2302)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C181A #184C4A

analogous

#4C1834 #4C181A #4C3018

triadic

#4C181A #1A4C18 #181A4C

tetradic

#4C181A #344C18 #184C4A #30184C

square

#4C181A #344C18 #184C4A #30184C

split-complementary

#4C181A #184C30 #18344C

monochromatic

#170708 #1D090A #4C181A #7B272A #A9353A

Accessibility & contrast

On white

14.45

#4C181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4C181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C181A

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C181A	#FFFFFF	#000000	##FFFFFF
##4C181A	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231A

Deuteranopia (green-blind)

#322E19

Tritanopia (blue-blind)

#540E19

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4c181a;
/* rgb */ color: rgb(76, 24, 26);
/* oklch */ color: oklch(29.2% 0.079 21.2);

Tailwind

colors: {
  custom: {
    50: '#825856',
    500: '#4c181a',
    950: '#000000',
  },
}

SCSS

$custom: #4c181a;
$custom-light: #825856;
$custom-dark: #000000;

JSON

{
  "hex": "#4c181a",
  "rgb": {
    "r": 76,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 357.692,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29249,
    "c": 0.07891,
    "h": 21.2
  },
  "luminance": 0.02264
}

Semantic roles & 50–950 ramp

primary

#4C181A

secondary

#3D8380

accent

#DBD64C

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C181A

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

Preview Lab → · Contrast checker → · Palette generator →