#4F171B#4F171B

#4F171B is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.7% C 0.084 H 19.8°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#4F171B
RGB	rgb(79, 23, 27)
HSL	hsl(356, 55%, 20%)
HSV	hsv(356, 71%, 31%)
CMYK	cmyk(0%, 70.9%, 65.8%, 69%)
CIE-LAB	lab(17.25, 26.59, 11.67)
CIE-LCH	lch(17.25, 29.04, 23.71°)
OKLab	oklab(29.69% 0.0791 0.0284)
OKLCH	oklch(29.69% 0.084 19.8)
XYZ	xyz(3.7290, 2.3547, 1.2948)
Luminance	0.0235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F171B #174F4B

analogous

#4F1737 #4F171B #4F2F17

triadic

#4F171B #1B4F17 #171B4F

tetradic

#4F171B #374F17 #174F4B #2F174F

square

#4F171B #374F17 #174F4B #2F174F

split-complementary

#4F171B #174F2F #17374F

monochromatic

#180708 #20090B #4F171B #7E252B #AE333B

Accessibility & contrast

On white

14.28

#4F171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#4F171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F171B

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F171B	#FFFFFF	#000000	##FFFFFF
##4F171B	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231B

Deuteranopia (green-blind)

#332F1A

Tritanopia (blue-blind)

#570B19

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4f171b;
/* rgb */ color: rgb(79, 23, 27);
/* oklch */ color: oklch(29.7% 0.084 19.8);

Tailwind

colors: {
  custom: {
    50: '#855857',
    500: '#4f171b',
    950: '#000000',
  },
}

SCSS

$custom: #4f171b;
$custom-light: #855857;
$custom-dark: #000000;

JSON

{
  "hex": "#4f171b",
  "rgb": {
    "r": 79,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 355.714,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.29691,
    "c": 0.08404,
    "h": 19.8
  },
  "luminance": 0.02354
}

Semantic roles & 50–950 ramp

primary

#4F171B

secondary

#3C8681

accent

#DED44A

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F171B

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

Preview Lab → · Contrast checker → · Palette generator →