#4F151B#4F151B

#4F151B is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.4% C 0.087 H 18.4°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#4F151B
RGB	rgb(79, 21, 27)
HSL	hsl(354, 58%, 20%)
HSV	hsv(354, 73%, 31%)
CMYK	cmyk(0%, 73.4%, 65.8%, 69%)
CIE-LAB	lab(16.88, 27.57, 11.20)
CIE-LCH	lch(16.88, 29.76, 22.10°)
OKLab	oklab(29.42% 0.0822 0.0273)
OKLCH	oklch(29.42% 0.087 18.4)
XYZ	xyz(3.6908, 2.2782, 1.2821)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F151B #154F49

analogous

#4F1538 #4F151B #4F2C15

triadic

#4F151B #1B4F15 #151B4F

tetradic

#4F151B #384F15 #154F49 #2C154F

square

#4F151B #384F15 #154F49 #2C154F

split-complementary

#4F151B #154F2C #15384F

monochromatic

#180608 #1F080A #4F151B #7F222C #B02F3C

Accessibility & contrast

On white

14.43

#4F151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4F151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F151B

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F151B	#FFFFFF	#000000	##FFFFFF
##4F151B	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221B

Deuteranopia (green-blind)

#332E19

Tritanopia (blue-blind)

#570818

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4f151b;
/* rgb */ color: rgb(79, 21, 27);
/* oklch */ color: oklch(29.4% 0.087 18.4);

Tailwind

colors: {
  custom: {
    50: '#855657',
    500: '#4f151b',
    950: '#000000',
  },
}

SCSS

$custom: #4f151b;
$custom-light: #855657;
$custom-dark: #000000;

JSON

{
  "hex": "#4f151b",
  "rgb": {
    "r": 79,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 353.793,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29419,
    "c": 0.08663,
    "h": 18.4
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#4F151B

secondary

#39877F

accent

#E1D147

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F151B

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

Preview Lab → · Contrast checker → · Palette generator →