#4C151D#4C151D

#4C151D is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.9% C 0.083 H 15.5°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#4C151D
RGB	rgb(76, 21, 29)
HSL	hsl(351, 57%, 19%)
HSV	hsv(351, 72%, 30%)
CMYK	cmyk(0%, 72.4%, 61.8%, 70.2%)
CIE-LAB	lab(16.32, 26.59, 8.90)
CIE-LCH	lch(16.32, 28.04, 18.50°)
OKLab	oklab(28.89% 0.0799 0.0221)
OKLCH	oklch(28.89% 0.083 15.5)
XYZ	xyz(3.4707, 2.1620, 1.3967)
Luminance	0.0216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C151D #154C44

analogous

#4C1539 #4C151D #4C2915

triadic

#4C151D #1D4C15 #151D4C

tetradic

#4C151D #394C15 #154C44 #29154C

square

#4C151D #394C15 #154C44 #29154C

split-complementary

#4C151D #154C29 #15394C

monochromatic

#180709 #1C080B #4C151D #7C222F #AC2F42

Accessibility & contrast

On white

14.66

#4C151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4C151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C151D

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C151D	#FFFFFF	#000000	##FFFFFF
##4C151D	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211D

Deuteranopia (green-blind)

#312D1C

Tritanopia (blue-blind)

#540A18

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4c151d;
/* rgb */ color: rgb(76, 21, 29);
/* oklch */ color: oklch(28.9% 0.083 15.5);

Tailwind

colors: {
  custom: {
    50: '#825658',
    500: '#4c151d',
    950: '#000000',
  },
}

SCSS

$custom: #4c151d;
$custom-light: #825658;
$custom-dark: #000000;

JSON

{
  "hex": "#4c151d",
  "rgb": {
    "r": 76,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 351.273,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28894,
    "c": 0.08289,
    "h": 15.5
  },
  "luminance": 0.02162
}

Semantic roles & 50–950 ramp

primary

#4C151D

secondary

#398479

accent

#E0CA48

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C151D

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

Preview Lab → · Contrast checker → · Palette generator →