#4C181E#4C181E

#4C181E is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.3% C 0.079 H 16.5°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#4C181E
RGB	rgb(76, 24, 30)
HSL	hsl(353, 52%, 20%)
HSV	hsv(353, 68%, 30%)
CMYK	cmyk(0%, 68.4%, 60.5%, 70.2%)
CIE-LAB	lab(16.91, 25.14, 8.99)
CIE-LCH	lch(16.91, 26.70, 19.67°)
OKLab	oklab(29.35% 0.0755 0.0224)
OKLCH	oklch(29.35% 0.079 16.5)
XYZ	xyz(3.5418, 2.2840, 1.4824)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C181E #184C46

analogous

#4C1838 #4C181E #4C2C18

triadic

#4C181E #1E4C18 #181E4C

tetradic

#4C181E #384C18 #184C46 #2C184C

square

#4C181E #384C18 #184C46 #2C184C

split-complementary

#4C181E #184C2C #18384C

monochromatic

#170709 #1D090C #4C181E #7B2730 #A93543

Accessibility & contrast

On white

14.42

#4C181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4C181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C181E

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C181E	#FFFFFF	#000000	##FFFFFF
##4C181E	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24231E

Deuteranopia (green-blind)

#322E1D

Tritanopia (blue-blind)

#540F1A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4c181e;
/* rgb */ color: rgb(76, 24, 30);
/* oklch */ color: oklch(29.3% 0.079 16.5);

Tailwind

colors: {
  custom: {
    50: '#825859',
    500: '#4c181e',
    950: '#000000',
  },
}

SCSS

$custom: #4c181e;
$custom-light: #825859;
$custom-dark: #000000;

JSON

{
  "hex": "#4c181e",
  "rgb": {
    "r": 76,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 353.077,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29348,
    "c": 0.07871,
    "h": 16.5
  },
  "luminance": 0.02284
}

Semantic roles & 50–950 ramp

primary

#4C181E

secondary

#3D837B

accent

#DBCB4C

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C181E

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

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