#4B1311#4B1311

#4B1311 is a dark, moderate red. Relative luminance 0.020; OKLCH L 28.2% C 0.085 H 26.2°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#4B1311
RGB	rgb(75, 19, 17)
HSL	hsl(2, 63%, 18%)
HSV	hsv(2, 77%, 29%)
CMYK	cmyk(0%, 74.7%, 77.3%, 70.6%)
CIE-LAB	lab(15.50, 26.28, 16.05)
CIE-LCH	lch(15.50, 30.79, 31.42°)
OKLab	oklab(28.17% 0.0764 0.0376)
OKLCH	oklch(28.17% 0.085 26.2)
XYZ	xyz(3.2360, 2.0025, 0.7463)
Luminance	0.0200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1311 #11494B

analogous

#4B112C #4B1311 #4B3011

triadic

#4B1311 #114B13 #13114B

tetradic

#4B1311 #2C4B11 #11494B #30114B

square

#4B1311 #2C4B11 #11494B #30114B

split-complementary

#4B1311 #114B30 #112C4B

monochromatic

#190606 #190606 #4B1311 #7D201C #AF2C28

Accessibility & contrast

On white

15.00

#4B1311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#4B1311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1311

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1311	#FFFFFF	#000000	##FFFFFF
##4B1311	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F10

Deuteranopia (green-blind)

#312B0F

Tritanopia (blue-blind)

#530513

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b1311;
/* rgb */ color: rgb(75, 19, 17);
/* oklch */ color: oklch(28.2% 0.085 26.2);

Tailwind

colors: {
  custom: {
    50: '#83554f',
    500: '#4b1311',
    950: '#000000',
  },
}

SCSS

$custom: #4b1311;
$custom-light: #83554f;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1311",
  "rgb": {
    "r": 75,
    "g": 19,
    "b": 17
  },
  "hsl": {
    "h": 2.069,
    "s": 63.043,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28166,
    "c": 0.08516,
    "h": 26.2
  },
  "luminance": 0.02002
}

Semantic roles & 50–950 ramp

primary

#4B1311

secondary

#338284

accent

#E0E642

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B1311

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

Preview Lab → · Contrast checker → · Palette generator →