#4B131C#4B131C

#4B131C is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.4% C 0.084 H 15.0°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#4B131C
RGB	rgb(75, 19, 28)
HSL	hsl(350, 60%, 18%)
HSV	hsv(350, 75%, 29%)
CMYK	cmyk(0%, 74.7%, 62.7%, 70.6%)
CIE-LAB	lab(15.73, 27.09, 8.79)
CIE-LCH	lch(15.73, 28.48, 17.97°)
OKLab	oklab(28.41% 0.0814 0.0218)
OKLCH	oklch(28.41% 0.084 15)
XYZ	xyz(3.3444, 2.0459, 1.3172)
Luminance	0.0204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B131C #134B42

analogous

#4B1338 #4B131C #4B2613

triadic

#4B131C #1C4B13 #131C4B

tetradic

#4B131C #384B13 #134B42 #26134B

square

#4B131C #384B13 #134B42 #26134B

split-complementary

#4B131C #134B26 #13384B

monochromatic

#180609 #1A070A #4B131C #7C1F2E #AD2C40

Accessibility & contrast

On white

14.90

#4B131C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B131C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B131C

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B131C	#FFFFFF	#000000	##FFFFFF
##4B131C	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201C

Deuteranopia (green-blind)

#2F2B1B

Tritanopia (blue-blind)

#530717

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b131c;
/* rgb */ color: rgb(75, 19, 28);
/* oklch */ color: oklch(28.4% 0.084 15.0);

Tailwind

colors: {
  custom: {
    50: '#825557',
    500: '#4b131c',
    950: '#000000',
  },
}

SCSS

$custom: #4b131c;
$custom-light: #825557;
$custom-dark: #000000;

JSON

{
  "hex": "#4b131c",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 28
  },
  "hsl": {
    "h": 350.357,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28407,
    "c": 0.08431,
    "h": 15
  },
  "luminance": 0.02045
}

Semantic roles & 50–950 ramp

primary

#4B131C

secondary

#368477

accent

#E3C945

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B131C

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

Preview Lab → · Contrast checker → · Palette generator →