#4F101E#4F101E

#4F101E is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.9% C 0.093 H 12.5°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#4F101E
RGB	rgb(79, 16, 30)
HSL	hsl(347, 66%, 19%)
HSV	hsv(347, 80%, 31%)
CMYK	cmyk(0%, 79.7%, 62%, 69%)
CIE-LAB	lab(16.14, 30.07, 8.04)
CIE-LCH	lch(16.14, 31.12, 14.98°)
OKLab	oklab(28.89% 0.0908 0.0201)
OKLCH	oklch(28.89% 0.093 12.5)
XYZ	xyz(3.6444, 2.1271, 1.4467)
Luminance	0.0213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F101E #104F41

analogous

#4F103D #4F101E #4F2110

triadic

#4F101E #1E4F10 #101E4F

tetradic

#4F101E #3D4F10 #104F41 #21104F

square

#4F101E #3D4F10 #104F41 #21104F

split-complementary

#4F101E #104F21 #103D4F

monochromatic

#19050A #1C060B #4F101E #821A31 #B52545

Accessibility & contrast

On white

14.73

#4F101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4F101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F101E

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F101E	#FFFFFF	#000000	##FFFFFF
##4F101E	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20201E

Deuteranopia (green-blind)

#312D1C

Tritanopia (blue-blind)

#570216

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4f101e;
/* rgb */ color: rgb(79, 16, 30);
/* oklch */ color: oklch(28.9% 0.093 12.5);

Tailwind

colors: {
  custom: {
    50: '#855459',
    500: '#4f101e',
    950: '#000000',
  },
}

SCSS

$custom: #4f101e;
$custom-light: #855459;
$custom-dark: #000000;

JSON

{
  "hex": "#4f101e",
  "rgb": {
    "r": 79,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 346.667,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.28889,
    "c": 0.09298,
    "h": 12.5
  },
  "luminance": 0.02127
}

Semantic roles & 50–950 ramp

primary

#4F101E

secondary

#328975

accent

#E9C33F

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F101E

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

Preview Lab → · Contrast checker → · Palette generator →