#4B1815#4B1815

#4B1815 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.0% C 0.078 H 26.5°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#4B1815
RGB	rgb(75, 24, 21)
HSL	hsl(3, 56%, 19%)
HSV	hsv(3, 72%, 29%)
CMYK	cmyk(0%, 68%, 72%, 70.6%)
CIE-LAB	lab(16.52, 23.98, 14.79)
CIE-LCH	lch(16.52, 28.18, 31.66°)
OKLab	oklab(28.96% 0.0701 0.0349)
OKLCH	oklch(28.96% 0.078 26.5)
XYZ	xyz(3.3640, 2.2037, 0.9575)
Luminance	0.0220 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1815 #15484B

analogous

#4B152D #4B1815 #4B3315

triadic

#4B1815 #154B18 #18154B

tetradic

#4B1815 #2D4B15 #15484B #33154B

square

#4B1815 #2D4B15 #15484B #33154B

split-complementary

#4B1815 #154B33 #152D4B

monochromatic

#180807 #1B0908 #4B1815 #7B2722 #AB3730

Accessibility & contrast

On white

14.58

#4B1815 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#4B1815 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1815

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1815	#FFFFFF	#000000	##FFFFFF
##4B1815	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252214

Deuteranopia (green-blind)

#322D14

Tritanopia (blue-blind)

#530D18

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4b1815;
/* rgb */ color: rgb(75, 24, 21);
/* oklch */ color: oklch(29.0% 0.078 26.5);

Tailwind

colors: {
  custom: {
    50: '#825752',
    500: '#4b1815',
    950: '#000000',
  },
}

SCSS

$custom: #4b1815;
$custom-light: #825752;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1815",
  "rgb": {
    "r": 75,
    "g": 24,
    "b": 21
  },
  "hsl": {
    "h": 3.333,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28955,
    "c": 0.07833,
    "h": 26.5
  },
  "luminance": 0.02203
}

Semantic roles & 50–950 ramp

primary

#4B1815

secondary

#397F83

accent

#D7E048

background

#F8F5F4

surface

#EFE9E7

border

#CAC5C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4B1815

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

Preview Lab → · Contrast checker → · Palette generator →