#4F181A#4F181A

#4F181A is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.083 H 21.6°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#4F181A
RGB	rgb(79, 24, 26)
HSL	hsl(358, 53%, 20%)
HSV	hsv(358, 70%, 31%)
CMYK	cmyk(0%, 69.6%, 67.1%, 69%)
CIE-LAB	lab(17.42, 26.00, 12.60)
CIE-LCH	lch(17.42, 28.89, 25.85°)
OKLab	oklab(29.81% 0.077 0.0304)
OKLCH	oklch(29.81% 0.083 21.6)
XYZ	xyz(3.7379, 2.3906, 1.2417)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F181A #184F4D

analogous

#4F1835 #4F181A #4F3118

triadic

#4F181A #1A4F18 #181A4F

tetradic

#4F181A #354F18 #184F4D #31184F

square

#4F181A #354F18 #184F4D #31184F

split-complementary

#4F181A #184F31 #18354F

monochromatic

#170708 #200A0B #4F181A #7E2629 #AD3539

Accessibility & contrast

On white

14.21

#4F181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#4F181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F181A

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F181A	#FFFFFF	#000000	##FFFFFF
##4F181A	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26231A

Deuteranopia (green-blind)

#342F19

Tritanopia (blue-blind)

#570D19

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #4f181a;
/* rgb */ color: rgb(79, 24, 26);
/* oklch */ color: oklch(29.8% 0.083 21.6);

Tailwind

colors: {
  custom: {
    50: '#855856',
    500: '#4f181a',
    950: '#000000',
  },
}

SCSS

$custom: #4f181a;
$custom-light: #855856;
$custom-dark: #000000;

JSON

{
  "hex": "#4f181a",
  "rgb": {
    "r": 79,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 357.818,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.2981,
    "c": 0.08281,
    "h": 21.6
  },
  "luminance": 0.0239
}

Semantic roles & 50–950 ramp

primary

#4F181A

secondary

#3D8683

accent

#DDD74B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F181A

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

Preview Lab → · Contrast checker → · Palette generator →