#4D131B#4D131B

#4D131B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.8% C 0.087 H 16.6°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#4D131B
RGB	rgb(77, 19, 27)
HSL	hsl(352, 60%, 19%)
HSV	hsv(352, 75%, 30%)
CMYK	cmyk(0%, 75.3%, 64.9%, 69.8%)
CIE-LAB	lab(16.12, 27.76, 10.11)
CIE-LCH	lch(16.12, 29.55, 20.01°)
OKLab	oklab(28.77% 0.0831 0.0248)
OKLCH	oklch(28.77% 0.087 16.6)
XYZ	xyz(3.4916, 2.1231, 1.2626)
Luminance	0.0212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D131B #134D45

analogous

#4D1338 #4D131B #4D2813

triadic

#4D131B #1B4D13 #131B4D

tetradic

#4D131B #384D13 #134D45 #28134D

square

#4D131B #384D13 #134D45 #28134D

split-complementary

#4D131B #134D28 #13384D

monochromatic

#190609 #1C070A #4D131B #7E1F2C #AF2B3D

Accessibility & contrast

On white

14.74

#4D131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#4D131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D131B

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D131B	#FFFFFF	#000000	##FFFFFF
##4D131B	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22201B

Deuteranopia (green-blind)

#312C19

Tritanopia (blue-blind)

#550616

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4d131b;
/* rgb */ color: rgb(77, 19, 27);
/* oklch */ color: oklch(28.8% 0.087 16.6);

Tailwind

colors: {
  custom: {
    50: '#835557',
    500: '#4d131b',
    950: '#000000',
  },
}

SCSS

$custom: #4d131b;
$custom-light: #835557;
$custom-dark: #000000;

JSON

{
  "hex": "#4d131b",
  "rgb": {
    "r": 77,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 351.724,
    "s": 60.417,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28771,
    "c": 0.08673,
    "h": 16.6
  },
  "luminance": 0.02123
}

Semantic roles & 50–950 ramp

primary

#4D131B

secondary

#36867B

accent

#E4CE44

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4D131B

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

Preview Lab → · Contrast checker → · Palette generator →