#4B150F#4B150F

#4B150F is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.4% C 0.083 H 29.5°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#4B150F
RGB	rgb(75, 21, 15)
HSL	hsl(6, 67%, 18%)
HSV	hsv(6, 80%, 29%)
CMYK	cmyk(0%, 72%, 80%, 70.6%)
CIE-LAB	lab(15.84, 25.17, 17.58)
CIE-LCH	lch(15.84, 30.71, 34.94°)
OKLab	oklab(28.41% 0.0724 0.041)
OKLCH	oklch(28.41% 0.083 29.5)
XYZ	xyz(3.2564, 2.0671, 0.6794)
Luminance	0.0207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B150F #0F454B

analogous

#4B0F27 #4B150F #4B330F

triadic

#4B150F #0F4B15 #150F4B

tetradic

#4B150F #274B0F #0F454B #330F4B

square

#4B150F #274B0F #0F454B #330F4B

split-complementary

#4B150F #0F4B33 #0F274B

monochromatic

#1A0705 #1A0705 #4B150F #7E2319 #B13223

Accessibility & contrast

On white

14.86

#4B150F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#4B150F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B150F

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B150F	#FFFFFF	#000000	##FFFFFF
##4B150F	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24200E

Deuteranopia (green-blind)

#312C0D

Tritanopia (blue-blind)

#530714

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #4b150f;
/* rgb */ color: rgb(75, 21, 15);
/* oklch */ color: oklch(28.4% 0.083 29.5);

Tailwind

colors: {
  custom: {
    50: '#83564e',
    500: '#4b150f',
    950: '#000000',
  },
}

SCSS

$custom: #4b150f;
$custom-light: #83564e;
$custom-dark: #000000;

JSON

{
  "hex": "#4b150f",
  "rgb": {
    "r": 75,
    "g": 21,
    "b": 15
  },
  "hsl": {
    "h": 6,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28407,
    "c": 0.08324,
    "h": 29.5
  },
  "luminance": 0.02067
}

Semantic roles & 50–950 ramp

primary

#4B150F

secondary

#307D85

accent

#D8EA3E

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0B0301

muted

#7C7877

Preview Lab

Preview with #4B150F

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

Preview Lab → · Contrast checker → · Palette generator →