#4C150B#4C150B

#4C150B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.5% C 0.085 H 32.5°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#4C150B
RGB	rgb(76, 21, 11)
HSL	hsl(9, 75%, 17%)
HSV	hsv(9, 86%, 30%)
CMYK	cmyk(0%, 72.4%, 85.5%, 70.2%)
CIE-LAB	lab(15.99, 25.38, 19.75)
CIE-LCH	lch(15.99, 32.16, 37.88°)
OKLab	oklab(28.55% 0.072 0.0459)
OKLCH	oklch(28.55% 0.085 32.5)
XYZ	xyz(3.3094, 2.0975, 0.5471)
Luminance	0.0210 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C150B #0B424C

analogous

#4C0B22 #4C150B #4C360B

triadic

#4C150B #0B4C15 #150B4C

tetradic

#4C150B #224C0B #0B424C #360B4C

square

#4C150B #224C0B #0B424C #360B4C

split-complementary

#4C150B #0B4C36 #0B224C

monochromatic

#1B0704 #1B0704 #4C150B #812413 #B7331A

Accessibility & contrast

On white

14.79

#4C150B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#4C150B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C150B

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C150B	#FFFFFF	#000000	##FFFFFF
##4C150B	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252009

Deuteranopia (green-blind)

#322C09

Tritanopia (blue-blind)

#540613

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4c150b;
/* rgb */ color: rgb(76, 21, 11);
/* oklch */ color: oklch(28.5% 0.085 32.5);

Tailwind

colors: {
  custom: {
    50: '#84564b',
    500: '#4c150b',
    950: '#000000',
  },
}

SCSS

$custom: #4c150b;
$custom-light: #84564b;
$custom-dark: #000000;

JSON

{
  "hex": "#4c150b",
  "rgb": {
    "r": 76,
    "g": 21,
    "b": 11
  },
  "hsl": {
    "h": 9.231,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28546,
    "c": 0.08543,
    "h": 32.5
  },
  "luminance": 0.02097
}

Semantic roles & 50–950 ramp

primary

#4C150B

secondary

#2B7A88

accent

#D5F136

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4C150B

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

Preview Lab → · Contrast checker → · Palette generator →