#4B150C#4B150C

#4B150C is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.4% C 0.084 H 31.9°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#4B150C
RGB	rgb(75, 21, 12)
HSL	hsl(9, 72%, 17%)
HSV	hsv(9, 84%, 29%)
CMYK	cmyk(0%, 72%, 84%, 70.6%)
CIE-LAB	lab(15.79, 25.02, 19.01)
CIE-LCH	lch(15.79, 31.42, 37.23°)
OKLab	oklab(28.36% 0.0712 0.0444)
OKLCH	oklch(28.36% 0.084 31.9)
XYZ	xyz(3.2365, 2.0592, 0.5748)
Luminance	0.0206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B150C #0C424B

analogous

#4B0C23 #4B150C #4B350C

triadic

#4B150C #0C4B15 #150C4B

tetradic

#4B150C #234B0C #0C424B #350C4B

square

#4B150C #234B0C #0C424B #350C4B

split-complementary

#4B150C #0C4B35 #0C234B

monochromatic

#1A0704 #1A0704 #4B150C #802414 #B5331D

Accessibility & contrast

On white

14.87

#4B150C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B150C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B150C

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B150C	#FFFFFF	#000000	##FFFFFF
##4B150C	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200B

Deuteranopia (green-blind)

#322C0A

Tritanopia (blue-blind)

#530713

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b150c;
/* rgb */ color: rgb(75, 21, 12);
/* oklch */ color: oklch(28.4% 0.084 31.9);

Tailwind

colors: {
  custom: {
    50: '#83564c',
    500: '#4b150c',
    950: '#000000',
  },
}

SCSS

$custom: #4b150c;
$custom-light: #83564c;
$custom-dark: #000000;

JSON

{
  "hex": "#4b150c",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 12
  },
  "hsl": {
    "h": 8.571,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28363,
    "c": 0.08394,
    "h": 31.9
  },
  "luminance": 0.02059
}

Semantic roles & 50–950 ramp

primary

#4B150C

secondary

#2C7A87

accent

#D5EF39

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4B150C

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

Preview Lab → · Contrast checker → · Palette generator →