#4B1318#4B1318

#4B1318 is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.3% C 0.084 H 19.3°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#4B1318
RGB	rgb(75, 19, 24)
HSL	hsl(355, 60%, 18%)
HSV	hsv(355, 75%, 29%)
CMYK	cmyk(0%, 74.7%, 68%, 70.6%)
CIE-LAB	lab(15.63, 26.76, 11.55)
CIE-LCH	lch(15.63, 29.14, 23.34°)
OKLab	oklab(28.31% 0.0796 0.0279)
OKLCH	oklch(28.31% 0.084 19.3)
XYZ	xyz(3.2997, 2.0280, 1.0817)
Luminance	0.0203 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1318 #134B46

analogous

#4B1334 #4B1318 #4B2A13

triadic

#4B1318 #184B13 #13184B

tetradic

#4B1318 #344B13 #134B46 #2A134B

square

#4B1318 #344B13 #134B46 #2A134B

split-complementary

#4B1318 #134B2A #13344B

monochromatic

#180608 #1A0708 #4B1318 #7C1F28 #AD2C37

Accessibility & contrast

On white

14.94

#4B1318 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B1318 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1318

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1318	#FFFFFF	#000000	##FFFFFF
##4B1318	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222018

Deuteranopia (green-blind)

#302B17

Tritanopia (blue-blind)

#530615

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b1318;
/* rgb */ color: rgb(75, 19, 24);
/* oklch */ color: oklch(28.3% 0.084 19.3);

Tailwind

colors: {
  custom: {
    50: '#825554',
    500: '#4b1318',
    950: '#000000',
  },
}

SCSS

$custom: #4b1318;
$custom-light: #825554;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1318",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 24
  },
  "hsl": {
    "h": 354.643,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.28308,
    "c": 0.08433,
    "h": 19.3
  },
  "luminance": 0.02028
}

Semantic roles & 50–950 ramp

primary

#4B1318

secondary

#36847D

accent

#E3D545

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4B1318

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

Preview Lab → · Contrast checker → · Palette generator →