#4B1B0D#4B1B0D

#4B1B0D is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.3% C 0.077 H 36.9°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B0D
RGB	rgb(75, 27, 13)
HSL	hsl(14, 70%, 17%)
HSV	hsv(14, 83%, 29%)
CMYK	cmyk(0%, 64%, 82.7%, 70.6%)
CIE-LAB	lab(17.03, 21.82, 20.08)
CIE-LCH	lch(17.03, 29.66, 42.62°)
OKLab	oklab(29.3% 0.0616 0.0462)
OKLCH	oklch(29.3% 0.077 36.9)
XYZ	xyz(3.3666, 2.3092, 0.6491)
Luminance	0.0231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B0D #0D3D4B

analogous

#4B0D1E #4B1B0D #4B3A0D

triadic

#4B1B0D #0D4B1B #1B0D4B

tetradic

#4B1B0D #1E4B0D #0D3D4B #3A0D4B

square

#4B1B0D #1E4B0D #0D3D4B #3A0D4B

split-complementary

#4B1B0D #0D4B3A #0D1E4B

monochromatic

#1A0905 #1A0905 #4B1B0D #7F2E16 #B3411F

Accessibility & contrast

On white

14.37

#4B1B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4B1B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B0D

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B0D	#FFFFFF	#000000	##FFFFFF
##4B1B0D	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28230B

Deuteranopia (green-blind)

#342E0C

Tritanopia (blue-blind)

#531018

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4b1b0d;
/* rgb */ color: rgb(75, 27, 13);
/* oklch */ color: oklch(29.3% 0.077 36.9);

Tailwind

colors: {
  custom: {
    50: '#82594d',
    500: '#4b1b0d',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b0d;
$custom-light: #82594d;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b0d",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 13
  },
  "hsl": {
    "h": 13.548,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29302,
    "c": 0.07696,
    "h": 36.9
  },
  "luminance": 0.02309
}

Semantic roles & 50–950 ramp

primary

#4B1B0D

secondary

#2E7286

accent

#C5ED3B

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B1B0D

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

Preview Lab → · Contrast checker → · Palette generator →