#4D180C#4D180C

#4D180C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.2% C 0.083 H 34.2°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#4D180C
RGB	rgb(77, 24, 12)
HSL	hsl(11, 73%, 17%)
HSV	hsv(11, 84%, 30%)
CMYK	cmyk(0%, 68.8%, 84.4%, 69.8%)
CIE-LAB	lab(16.79, 24.29, 20.34)
CIE-LCH	lch(16.79, 31.68, 39.94°)
OKLab	oklab(29.19% 0.0688 0.0468)
OKLCH	oklch(29.19% 0.083 34.2)
XYZ	xyz(3.4539, 2.2581, 0.6017)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D180C #0C414D

analogous

#4D0C20 #4D180C #4D390C

triadic

#4D180C #0C4D18 #180C4D

tetradic

#4D180C #204D0C #0C414D #390C4D

square

#4D180C #204D0C #0C414D #390C4D

split-complementary

#4D180C #0C4D39 #0C204D

monochromatic

#1A0804 #1A0804 #4D180C #822914 #B7391D

Accessibility & contrast

On white

14.47

#4D180C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4D180C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D180C

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D180C	#FFFFFF	#000000	##FFFFFF
##4D180C	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27220A

Deuteranopia (green-blind)

#342E0A

Tritanopia (blue-blind)

#550B16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d180c;
/* rgb */ color: rgb(77, 24, 12);
/* oklch */ color: oklch(29.2% 0.083 34.2);

Tailwind

colors: {
  custom: {
    50: '#84574c',
    500: '#4d180c',
    950: '#000000',
  },
}

SCSS

$custom: #4d180c;
$custom-light: #84574c;
$custom-dark: #000000;

JSON

{
  "hex": "#4d180c",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 12
  },
  "hsl": {
    "h": 11.077,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.29188,
    "c": 0.08314,
    "h": 34.2
  },
  "luminance": 0.02258
}

Semantic roles & 50–950 ramp

primary

#4D180C

secondary

#2C7889

accent

#CEF038

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D180C

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

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