#4B131D#4B131D

#4B131D is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.4% C 0.084 H 13.9°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#4B131D
RGB	rgb(75, 19, 29)
HSL	hsl(349, 60%, 18%)
HSV	hsv(349, 75%, 29%)
CMYK	cmyk(0%, 74.7%, 61.3%, 70.6%)
CIE-LAB	lab(15.75, 27.18, 8.10)
CIE-LCH	lch(15.75, 28.36, 16.59°)
OKLab	oklab(28.43% 0.0819 0.0203)
OKLCH	oklch(28.43% 0.084 13.9)
XYZ	xyz(3.3566, 2.0508, 1.3812)
Luminance	0.0205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B131D #134B41

analogous

#4B1339 #4B131D #4B2513

triadic

#4B131D #1D4B13 #131D4B

tetradic

#4B131D #394B13 #134B41 #25134B

square

#4B131D #394B13 #134B41 #25134B

split-complementary

#4B131D #134B25 #13394B

monochromatic

#180609 #1A070A #4B131D #7C1F30 #AD2C43

Accessibility & contrast

On white

14.89

#4B131D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B131D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B131D

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B131D	#FFFFFF	#000000	##FFFFFF
##4B131D	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201D

Deuteranopia (green-blind)

#2F2B1C

Tritanopia (blue-blind)

#530817

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b131d;
/* rgb */ color: rgb(75, 19, 29);
/* oklch */ color: oklch(28.4% 0.084 13.9);

Tailwind

colors: {
  custom: {
    50: '#815558',
    500: '#4b131d',
    950: '#000000',
  },
}

SCSS

$custom: #4b131d;
$custom-light: #815558;
$custom-dark: #000000;

JSON

{
  "hex": "#4b131d",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 29
  },
  "hsl": {
    "h": 349.286,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28434,
    "c": 0.08437,
    "h": 13.9
  },
  "luminance": 0.0205
}

Semantic roles & 50–950 ramp

primary

#4B131D

secondary

#368476

accent

#E3C745

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B131D

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

Preview Lab → · Contrast checker → · Palette generator →