#4F181C#4F181C

#4F181C is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.083 H 19.4°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#4F181C
RGB	rgb(79, 24, 28)
HSL	hsl(356, 53%, 20%)
HSV	hsv(356, 70%, 31%)
CMYK	cmyk(0%, 69.6%, 64.6%, 69%)
CIE-LAB	lab(17.46, 26.16, 11.24)
CIE-LCH	lch(17.46, 28.47, 23.26°)
OKLab	oklab(29.86% 0.0779 0.0275)
OKLCH	oklch(29.86% 0.083 19.4)
XYZ	xyz(3.7610, 2.3999, 1.3636)
Luminance	0.0240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F181C #184F4B

analogous

#4F1838 #4F181C #4F2F18

triadic

#4F181C #1C4F18 #181C4F

tetradic

#4F181C #384F18 #184F4B #2F184F

square

#4F181C #384F18 #184F4B #2F184F

split-complementary

#4F181C #184F2F #18384F

monochromatic

#170708 #200A0B #4F181C #7E262D #AD353D

Accessibility & contrast

On white

14.19

#4F181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#4F181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F181C

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F181C	#FFFFFF	#000000	##FFFFFF
##4F181C	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241C

Deuteranopia (green-blind)

#342F1B

Tritanopia (blue-blind)

#570D1A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #4f181c;
/* rgb */ color: rgb(79, 24, 28);
/* oklch */ color: oklch(29.9% 0.083 19.4);

Tailwind

colors: {
  custom: {
    50: '#855857',
    500: '#4f181c',
    950: '#000000',
  },
}

SCSS

$custom: #4f181c;
$custom-light: #855857;
$custom-dark: #000000;

JSON

{
  "hex": "#4f181c",
  "rgb": {
    "r": 79,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 355.636,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29856,
    "c": 0.08265,
    "h": 19.4
  },
  "luminance": 0.02399
}

Semantic roles & 50–950 ramp

primary

#4F181C

secondary

#3D8681

accent

#DDD24B

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #4F181C

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

Preview Lab → · Contrast checker → · Palette generator →