#4F101A#4F101A

#4F101A is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.8% C 0.093 H 16.5°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#4F101A
RGB	rgb(79, 16, 26)
HSL	hsl(350, 66%, 19%)
HSV	hsv(350, 80%, 31%)
CMYK	cmyk(0%, 79.7%, 67.1%, 69%)
CIE-LAB	lab(16.04, 29.74, 10.81)
CIE-LCH	lch(16.04, 31.65, 19.97°)
OKLab	oklab(28.79% 0.0889 0.0263)
OKLCH	oklch(28.79% 0.093 16.5)
XYZ	xyz(3.5966, 2.1079, 1.1946)
Luminance	0.0211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F101A #104F45

analogous

#4F1039 #4F101A #4F2510

triadic

#4F101A #1A4F10 #101A4F

tetradic

#4F101A #394F10 #104F45 #25104F

square

#4F101A #394F10 #104F45 #25104F

split-complementary

#4F101A #104F25 #10394F

monochromatic

#190508 #1C0609 #4F101A #821A2B #B5253B

Accessibility & contrast

On white

14.77

#4F101A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#4F101A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F101A

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F101A	#FFFFFF	#000000	##FFFFFF
##4F101A	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211F1A

Deuteranopia (green-blind)

#312D18

Tritanopia (blue-blind)

#570114

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4f101a;
/* rgb */ color: rgb(79, 16, 26);
/* oklch */ color: oklch(28.8% 0.093 16.5);

Tailwind

colors: {
  custom: {
    50: '#855456',
    500: '#4f101a',
    950: '#000000',
  },
}

SCSS

$custom: #4f101a;
$custom-light: #855456;
$custom-dark: #000000;

JSON

{
  "hex": "#4f101a",
  "rgb": {
    "r": 79,
    "g": 16,
    "b": 26
  },
  "hsl": {
    "h": 350.476,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.28785,
    "c": 0.09275,
    "h": 16.5
  },
  "luminance": 0.02107
}

Semantic roles & 50–950 ramp

primary

#4F101A

secondary

#32897B

accent

#E9CE3F

background

#F8F5F5

surface

#F0E9E8

border

#CBC5C4

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F101A

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

Preview Lab → · Contrast checker → · Palette generator →