#4F170B#4F170B

#4F170B is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.4% C 0.087 H 33.7°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#4F170B
RGB	rgb(79, 23, 11)
HSL	hsl(11, 76%, 18%)
HSV	hsv(11, 86%, 31%)
CMYK	cmyk(0%, 70.9%, 86.1%, 69%)
CIE-LAB	lab(16.99, 25.60, 21.12)
CIE-LCH	lch(16.99, 33.19, 39.52°)
OKLab	oklab(29.41% 0.0723 0.0483)
OKLCH	oklch(29.41% 0.087 33.7)
XYZ	xyz(3.5917, 2.2997, 0.5713)
Luminance	0.0230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F170B #0B434F

analogous

#4F0B21 #4F170B #4F390B

triadic

#4F170B #0B4F17 #170B4F

tetradic

#4F170B #214F0B #0B434F #390B4F

square

#4F170B #214F0B #0B434F #390B4F

split-complementary

#4F170B #0B4F39 #0B214F

monochromatic

#1B0804 #1B0804 #4F170B #852712 #BA361A

Accessibility & contrast

On white

14.39

#4F170B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#4F170B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F170B

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F170B	#FFFFFF	#000000	##FFFFFF
##4F170B	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272209

Deuteranopia (green-blind)

#352E09

Tritanopia (blue-blind)

#580815

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #4f170b;
/* rgb */ color: rgb(79, 23, 11);
/* oklch */ color: oklch(29.4% 0.087 33.7);

Tailwind

colors: {
  custom: {
    50: '#86574b',
    500: '#4f170b',
    950: '#000000',
  },
}

SCSS

$custom: #4f170b;
$custom-light: #86574b;
$custom-dark: #000000;

JSON

{
  "hex": "#4f170b",
  "rgb": {
    "r": 79,
    "g": 23,
    "b": 11
  },
  "hsl": {
    "h": 10.588,
    "s": 75.556,
    "l": 17.647
  },
  "oklch": {
    "l": 0.29412,
    "c": 0.08699,
    "h": 33.7
  },
  "luminance": 0.02299
}

Semantic roles & 50–950 ramp

primary

#4F170B

secondary

#2B7A8B

accent

#D1F236

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4F170B

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

Preview Lab → · Contrast checker → · Palette generator →