#4D180D#4D180D

#4D180D is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.2% C 0.083 H 33.5°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#4D180D
RGB	rgb(77, 24, 13)
HSL	hsl(10, 71%, 18%)
HSV	hsv(10, 83%, 30%)
CMYK	cmyk(0%, 68.8%, 83.1%, 69.8%)
CIE-LAB	lab(16.80, 24.34, 19.88)
CIE-LCH	lch(16.80, 31.43, 39.25°)
OKLab	oklab(29.2% 0.0691 0.0457)
OKLCH	oklch(29.2% 0.083 33.5)
XYZ	xyz(3.4602, 2.2606, 0.6348)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D180D #0D424D

analogous

#4D0D22 #4D180D #4D380D

triadic

#4D180D #0D4D18 #180D4D

tetradic

#4D180D #224D0D #0D424D #380D4D

square

#4D180D #224D0D #0D424D #380D4D

split-complementary

#4D180D #0D4D38 #0D224D

monochromatic

#1A0804 #1A0804 #4D180D #812816 #B6391F

Accessibility & contrast

On white

14.46

#4D180D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4D180D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D180D

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D180D	#FFFFFF	#000000	##FFFFFF
##4D180D	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27220B

Deuteranopia (green-blind)

#342E0B

Tritanopia (blue-blind)

#550B16

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d180d;
/* rgb */ color: rgb(77, 24, 13);
/* oklch */ color: oklch(29.2% 0.083 33.5);

Tailwind

colors: {
  custom: {
    50: '#84574c',
    500: '#4d180d',
    950: '#000000',
  },
}

SCSS

$custom: #4d180d;
$custom-light: #84574c;
$custom-dark: #000000;

JSON

{
  "hex": "#4d180d",
  "rgb": {
    "r": 77,
    "g": 24,
    "b": 13
  },
  "hsl": {
    "h": 10.313,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.29201,
    "c": 0.08287,
    "h": 33.5
  },
  "luminance": 0.0226
}

Semantic roles & 50–950 ramp

primary

#4D180D

secondary

#2E7988

accent

#CFEE3A

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4D180D

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

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