#4C131B#4C131B

#4C131B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.6% C 0.086 H 16.4°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#4C131B
RGB	rgb(76, 19, 27)
HSL	hsl(352, 60%, 19%)
HSV	hsv(352, 75%, 30%)
CMYK	cmyk(0%, 75%, 64.5%, 70.2%)
CIE-LAB	lab(15.91, 27.39, 9.79)
CIE-LCH	lch(15.91, 29.08, 19.68°)
OKLab	oklab(28.58% 0.082 0.0241)
OKLCH	oklch(28.58% 0.086 16.4)
XYZ	xyz(3.4115, 2.0818, 1.2589)
Luminance	0.0208 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C131B #134C44

analogous

#4C1337 #4C131B #4C2713

triadic

#4C131B #1B4C13 #131B4C

tetradic

#4C131B #374C13 #134C44 #27134C

square

#4C131B #374C13 #134C44 #27134C

split-complementary

#4C131B #134C27 #13374C

monochromatic

#180609 #1B070A #4C131B #7D1F2C #AE2B3E

Accessibility & contrast

On white

14.83

#4C131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#4C131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C131B

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C131B	#FFFFFF	#000000	##FFFFFF
##4C131B	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22201B

Deuteranopia (green-blind)

#302C1A

Tritanopia (blue-blind)

#540716

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4c131b;
/* rgb */ color: rgb(76, 19, 27);
/* oklch */ color: oklch(28.6% 0.086 16.4);

Tailwind

colors: {
  custom: {
    50: '#825557',
    500: '#4c131b',
    950: '#000000',
  },
}

SCSS

$custom: #4c131b;
$custom-light: #825557;
$custom-dark: #000000;

JSON

{
  "hex": "#4c131b",
  "rgb": {
    "r": 76,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 351.579,
    "s": 60,
    "l": 18.627
  },
  "oklch": {
    "l": 0.28576,
    "c": 0.08551,
    "h": 16.4
  },
  "luminance": 0.02081
}

Semantic roles & 50–950 ramp

primary

#4C131B

secondary

#36857A

accent

#E3CD45

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4C131B

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

Preview Lab → · Contrast checker → · Palette generator →