#4F101D#4F101D

#4F101D is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.9% C 0.093 H 13.5°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#4F101D
RGB	rgb(79, 16, 29)
HSL	hsl(348, 66%, 19%)
HSV	hsv(348, 80%, 31%)
CMYK	cmyk(0%, 79.7%, 63.3%, 69%)
CIE-LAB	lab(16.12, 29.98, 8.74)
CIE-LCH	lch(16.12, 31.23, 16.24°)
OKLab	oklab(28.86% 0.0903 0.0217)
OKLCH	oklch(28.86% 0.093 13.5)
XYZ	xyz(3.6319, 2.1221, 1.3805)
Luminance	0.0212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F101D #104F42

analogous

#4F103C #4F101D #4F2210

triadic

#4F101D #1D4F10 #101D4F

tetradic

#4F101D #3C4F10 #104F42 #22104F

square

#4F101D #3C4F10 #104F42 #22104F

split-complementary

#4F101D #104F22 #103C4F

monochromatic

#190509 #1C060A #4F101D #821A30 #B52542

Accessibility & contrast

On white

14.74

#4F101D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#4F101D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F101D

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F101D	#FFFFFF	#000000	##FFFFFF
##4F101D	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201D

Deuteranopia (green-blind)

#312D1B

Tritanopia (blue-blind)

#570215

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4f101d;
/* rgb */ color: rgb(79, 16, 29);
/* oklch */ color: oklch(28.9% 0.093 13.5);

Tailwind

colors: {
  custom: {
    50: '#855458',
    500: '#4f101d',
    950: '#000000',
  },
}

SCSS

$custom: #4f101d;
$custom-light: #855458;
$custom-dark: #000000;

JSON

{
  "hex": "#4f101d",
  "rgb": {
    "r": 79,
    "g": 16,
    "b": 29
  },
  "hsl": {
    "h": 347.619,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.28862,
    "c": 0.09289,
    "h": 13.5
  },
  "luminance": 0.02122
}

Semantic roles & 50–950 ramp

primary

#4F101D

secondary

#328977

accent

#E9C63F

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F101D

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

Preview Lab → · Contrast checker → · Palette generator →