#4C180D#4C180D

#4C180D is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.0% C 0.082 H 33.6°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#4C180D
RGB	rgb(76, 24, 13)
HSL	hsl(10, 71%, 17%)
HSV	hsv(10, 83%, 30%)
CMYK	cmyk(0%, 68.4%, 82.9%, 70.2%)
CIE-LAB	lab(16.60, 23.91, 19.59)
CIE-LCH	lch(16.60, 30.91, 39.33°)
OKLab	oklab(29.01% 0.0679 0.0452)
OKLCH	oklch(29.01% 0.082 33.6)
XYZ	xyz(3.3801, 2.2193, 0.6311)
Luminance	0.0222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C180D #0D414C

analogous

#4C0D22 #4C180D #4C370D

triadic

#4C180D #0D4C18 #180D4C

tetradic

#4C180D #224C0D #0D414C #370D4C

square

#4C180D #224C0D #0D414C #370D4C

split-complementary

#4C180D #0D4C37 #0D224C

monochromatic

#1A0804 #1A0804 #4C180D #802916 #B5391F

Accessibility & contrast

On white

14.54

#4C180D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4C180D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C180D

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C180D	#FFFFFF	#000000	##FFFFFF
##4C180D	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26220C

Deuteranopia (green-blind)

#332D0B

Tritanopia (blue-blind)

#540B16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4c180d;
/* rgb */ color: rgb(76, 24, 13);
/* oklch */ color: oklch(29.0% 0.082 33.6);

Tailwind

colors: {
  custom: {
    50: '#83574c',
    500: '#4c180d',
    950: '#000000',
  },
}

SCSS

$custom: #4c180d;
$custom-light: #83574c;
$custom-dark: #000000;

JSON

{
  "hex": "#4c180d",
  "rgb": {
    "r": 76,
    "g": 24,
    "b": 13
  },
  "hsl": {
    "h": 10.476,
    "s": 70.787,
    "l": 17.451
  },
  "oklch": {
    "l": 0.29011,
    "c": 0.08159,
    "h": 33.6
  },
  "luminance": 0.02219
}

Semantic roles & 50–950 ramp

primary

#4C180D

secondary

#2E7887

accent

#CEEE3A

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4C180D

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

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