#4D151C#4D151C

#4D151C is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.1% C 0.084 H 16.9°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#4D151C
RGB	rgb(77, 21, 28)
HSL	hsl(353, 57%, 19%)
HSV	hsv(353, 73%, 30%)
CMYK	cmyk(0%, 72.7%, 63.6%, 69.8%)
CIE-LAB	lab(16.50, 26.89, 9.89)
CIE-LCH	lch(16.50, 28.65, 20.20°)
OKLab	oklab(29.06% 0.0805 0.0244)
OKLCH	oklch(29.06% 0.084 16.9)
XYZ	xyz(3.5387, 2.1984, 1.3364)
Luminance	0.0220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D151C #154D46

analogous

#4D1538 #4D151C #4D2A15

triadic

#4D151C #1C4D15 #151C4D

tetradic

#4D151C #384D15 #154D46 #2A154D

square

#4D151C #384D15 #154D46 #2A154D

split-complementary

#4D151C #154D2A #15384D

monochromatic

#180709 #1D080B #4D151C #7D222D #AD2F3F

Accessibility & contrast

On white

14.59

#4D151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4D151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D151C

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D151C	#FFFFFF	#000000	##FFFFFF
##4D151C	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23211C

Deuteranopia (green-blind)

#312D1B

Tritanopia (blue-blind)

#550918

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d151c;
/* rgb */ color: rgb(77, 21, 28);
/* oklch */ color: oklch(29.1% 0.084 16.9);

Tailwind

colors: {
  custom: {
    50: '#835657',
    500: '#4d151c',
    950: '#000000',
  },
}

SCSS

$custom: #4d151c;
$custom-light: #835657;
$custom-dark: #000000;

JSON

{
  "hex": "#4d151c",
  "rgb": {
    "r": 77,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 352.5,
    "s": 57.143,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29059,
    "c": 0.08412,
    "h": 16.9
  },
  "luminance": 0.02198
}

Semantic roles & 50–950 ramp

primary

#4D151C

secondary

#39857B

accent

#E0CD47

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D151C

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

Preview Lab → · Contrast checker → · Palette generator →