#4C151C#4C151C

#4C151C is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.9% C 0.083 H 16.6°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#4C151C
RGB	rgb(76, 21, 28)
HSL	hsl(352, 57%, 19%)
HSV	hsv(352, 72%, 30%)
CMYK	cmyk(0%, 72.4%, 63.2%, 70.2%)
CIE-LAB	lab(16.29, 26.50, 9.58)
CIE-LCH	lch(16.29, 28.18, 19.88°)
OKLab	oklab(28.87% 0.0794 0.0237)
OKLCH	oklch(28.87% 0.083 16.6)
XYZ	xyz(3.4586, 2.1571, 1.3326)
Luminance	0.0216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C151C #154C45

analogous

#4C1538 #4C151C #4C2A15

triadic

#4C151C #1C4C15 #151C4C

tetradic

#4C151C #384C15 #154C45 #2A154C

square

#4C151C #384C15 #154C45 #2A154C

split-complementary

#4C151C #154C2A #15384C

monochromatic

#180709 #1C080A #4C151C #7C222E #AC2F3F

Accessibility & contrast

On white

14.67

#4C151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4C151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C151C

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C151C	#FFFFFF	#000000	##FFFFFF
##4C151C	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23211C

Deuteranopia (green-blind)

#312D1B

Tritanopia (blue-blind)

#540A18

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4c151c;
/* rgb */ color: rgb(76, 21, 28);
/* oklch */ color: oklch(28.9% 0.083 16.6);

Tailwind

colors: {
  custom: {
    50: '#825657',
    500: '#4c151c',
    950: '#000000',
  },
}

SCSS

$custom: #4c151c;
$custom-light: #825657;
$custom-dark: #000000;

JSON

{
  "hex": "#4c151c",
  "rgb": {
    "r": 76,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 352.364,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28868,
    "c": 0.08288,
    "h": 16.6
  },
  "luminance": 0.02157
}

Semantic roles & 50–950 ramp

primary

#4C151C

secondary

#39847A

accent

#E0CD48

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C151C

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

Preview Lab → · Contrast checker → · Palette generator →