#4F101F#4F101F

#4F101F is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.9% C 0.093 H 11.5°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#4F101F
RGB	rgb(79, 16, 31)
HSL	hsl(346, 66%, 19%)
HSV	hsv(346, 80%, 31%)
CMYK	cmyk(0%, 79.7%, 60.8%, 69%)
CIE-LAB	lab(16.17, 30.15, 7.36)
CIE-LCH	lch(16.17, 31.04, 13.71°)
OKLab	oklab(28.92% 0.0912 0.0185)
OKLCH	oklch(28.92% 0.093 11.5)
XYZ	xyz(3.6574, 2.1323, 1.5150)
Luminance	0.0213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F101F #104F40

analogous

#4F103E #4F101F #4F2010

triadic

#4F101F #1F4F10 #101F4F

tetradic

#4F101F #3E4F10 #104F40 #20104F

square

#4F101F #3E4F10 #104F40 #20104F

split-complementary

#4F101F #104F20 #103E4F

monochromatic

#19050A #1C060B #4F101F #821A33 #B52547

Accessibility & contrast

On white

14.72

#4F101F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#4F101F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F101F

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F101F	#FFFFFF	#000000	##FFFFFF
##4F101F	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20201F

Deuteranopia (green-blind)

#302D1D

Tritanopia (blue-blind)

#570216

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #4f101f;
/* rgb */ color: rgb(79, 16, 31);
/* oklch */ color: oklch(28.9% 0.093 11.5);

Tailwind

colors: {
  custom: {
    50: '#85545a',
    500: '#4f101f',
    950: '#000000',
  },
}

SCSS

$custom: #4f101f;
$custom-light: #85545a;
$custom-dark: #000000;

JSON

{
  "hex": "#4f101f",
  "rgb": {
    "r": 79,
    "g": 16,
    "b": 31
  },
  "hsl": {
    "h": 345.714,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.28916,
    "c": 0.0931,
    "h": 11.5
  },
  "luminance": 0.02132
}

Semantic roles & 50–950 ramp

primary

#4F101F

secondary

#328974

accent

#E9C13F

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F101F

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

Preview Lab → · Contrast checker → · Palette generator →