#4F181F#4F181F

#4F181F is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.083 H 16.1°. Best body text is #FFFFFF at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#4F181F
RGB	rgb(79, 24, 31)
HSL	hsl(352, 53%, 20%)
HSV	hsv(352, 70%, 31%)
CMYK	cmyk(0%, 69.6%, 60.8%, 69%)
CIE-LAB	lab(17.53, 26.43, 9.21)
CIE-LCH	lch(17.53, 27.98, 19.22°)
OKLab	oklab(29.93% 0.0793 0.0229)
OKLCH	oklch(29.93% 0.083 16.1)
XYZ	xyz(3.7987, 2.4150, 1.5622)
Luminance	0.0241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F181F #184F48

analogous

#4F183A #4F181F #4F2D18

triadic

#4F181F #1F4F18 #181F4F

tetradic

#4F181F #3A4F18 #184F48 #2D184F

square

#4F181F #3A4F18 #184F48 #2D184F

split-complementary

#4F181F #184F2D #183A4F

monochromatic

#170709 #200A0D #4F181F #7E2631 #AD3544

Accessibility & contrast

On white

14.16

#4F181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#4F181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F181F

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F181F	#FFFFFF	#000000	##FFFFFF
##4F181F	1.00	14.16	1.48	14.16
#FFFFFF	14.16	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25241F

Deuteranopia (green-blind)

#332F1E

Tritanopia (blue-blind)

#570E1B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #4f181f;
/* rgb */ color: rgb(79, 24, 31);
/* oklch */ color: oklch(29.9% 0.083 16.1);

Tailwind

colors: {
  custom: {
    50: '#84585a',
    500: '#4f181f',
    950: '#000000',
  },
}

SCSS

$custom: #4f181f;
$custom-light: #84585a;
$custom-dark: #000000;

JSON

{
  "hex": "#4f181f",
  "rgb": {
    "r": 79,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 352.364,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29932,
    "c": 0.08259,
    "h": 16.1
  },
  "luminance": 0.02414
}

Semantic roles & 50–950 ramp

primary

#4F181F

secondary

#3D867D

accent

#DDCA4B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4F181F

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

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