#4C151F#4C151F

#4C151F is a dark, moderate red. Relative luminance 0.022; OKLCH L 28.9% C 0.083 H 13.2°. Best body text is #FFFFFF at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#4C151F
RGB	rgb(76, 21, 31)
HSL	hsl(349, 57%, 19%)
HSV	hsv(349, 72%, 30%)
CMYK	cmyk(0%, 72.4%, 59.2%, 70.2%)
CIE-LAB	lab(16.37, 26.78, 7.53)
CIE-LCH	lch(16.37, 27.82, 15.70°)
OKLab	oklab(28.95% 0.0808 0.019)
OKLCH	oklch(28.95% 0.083 13.2)
XYZ	xyz(3.4963, 2.1722, 1.5312)
Luminance	0.0217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C151F #154C42

analogous

#4C153B #4C151F #4C2715

triadic

#4C151F #1F4C15 #151F4C

tetradic

#4C151F #3B4C15 #154C42 #27154C

square

#4C151F #3B4C15 #154C42 #27154C

split-complementary

#4C151F #154C27 #153B4C

monochromatic

#18070A #1C080B #4C151F #7C2233 #AC2F46

Accessibility & contrast

On white

14.64

#4C151F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4C151F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C151F

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C151F	#FFFFFF	#000000	##FFFFFF
##4C151F	1.00	14.64	1.43	14.64
#FFFFFF	14.64	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211F

Deuteranopia (green-blind)

#302D1E

Tritanopia (blue-blind)

#540B19

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4c151f;
/* rgb */ color: rgb(76, 21, 31);
/* oklch */ color: oklch(28.9% 0.083 13.2);

Tailwind

colors: {
  custom: {
    50: '#82565a',
    500: '#4c151f',
    950: '#000000',
  },
}

SCSS

$custom: #4c151f;
$custom-light: #82565a;
$custom-dark: #000000;

JSON

{
  "hex": "#4c151f",
  "rgb": {
    "r": 76,
    "g": 21,
    "b": 31
  },
  "hsl": {
    "h": 349.091,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28948,
    "c": 0.083,
    "h": 13.2
  },
  "luminance": 0.02172
}

Semantic roles & 50–950 ramp

primary

#4C151F

secondary

#398476

accent

#E0C448

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C151F

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

Preview Lab → · Contrast checker → · Palette generator →