#4D151D#4D151D

#4D151D is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.1% C 0.084 H 15.8°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#4D151D
RGB	rgb(77, 21, 29)
HSL	hsl(351, 57%, 19%)
HSV	hsv(351, 73%, 30%)
CMYK	cmyk(0%, 72.7%, 62.3%, 69.8%)
CIE-LAB	lab(16.52, 26.98, 9.21)
CIE-LCH	lch(16.52, 28.50, 18.85°)
OKLab	oklab(29.09% 0.081 0.0228)
OKLCH	oklch(29.09% 0.084 15.8)
XYZ	xyz(3.5508, 2.2033, 1.4005)
Luminance	0.0220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D151D #154D45

analogous

#4D1539 #4D151D #4D2915

triadic

#4D151D #1D4D15 #151D4D

tetradic

#4D151D #394D15 #154D45 #29154D

square

#4D151D #394D15 #154D45 #29154D

split-complementary

#4D151D #154D29 #15394D

monochromatic

#180709 #1D080B #4D151D #7D222F #AD2F41

Accessibility & contrast

On white

14.58

#4D151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4D151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D151D

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D151D	#FFFFFF	#000000	##FFFFFF
##4D151D	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23221D

Deuteranopia (green-blind)

#312D1C

Tritanopia (blue-blind)

#550A18

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4d151d;
/* rgb */ color: rgb(77, 21, 29);
/* oklch */ color: oklch(29.1% 0.084 15.8);

Tailwind

colors: {
  custom: {
    50: '#835658',
    500: '#4d151d',
    950: '#000000',
  },
}

SCSS

$custom: #4d151d;
$custom-light: #835658;
$custom-dark: #000000;

JSON

{
  "hex": "#4d151d",
  "rgb": {
    "r": 77,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 351.429,
    "s": 57.143,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29085,
    "c": 0.08414,
    "h": 15.8
  },
  "luminance": 0.02203
}

Semantic roles & 50–950 ramp

primary

#4D151D

secondary

#39857A

accent

#E0CB47

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D151D

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

Preview Lab → · Contrast checker → · Palette generator →