#4F1818#4F1818

#4F1818 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.083 H 23.6°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#4F1818
RGB	rgb(79, 24, 24)
HSL	hsl(0, 53%, 20%)
HSV	hsv(0, 70%, 31%)
CMYK	cmyk(0%, 69.6%, 69.6%, 69%)
CIE-LAB	lab(17.38, 25.84, 13.94)
CIE-LCH	lch(17.38, 29.36, 28.35°)
OKLab	oklab(29.77% 0.0761 0.0333)
OKLCH	oklch(29.77% 0.083 23.6)
XYZ	xyz(3.7163, 2.3820, 1.1281)
Luminance	0.0238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F1818 #184F4F

analogous

#4F1833 #4F1818 #4F3318

triadic

#4F1818 #184F18 #18184F

tetradic

#4F1818 #334F18 #184F4F #33184F

square

#4F1818 #334F18 #184F4F #33184F

split-complementary

#4F1818 #184F33 #18334F

monochromatic

#170707 #200A0A #4F1818 #7E2626 #AD3535

Accessibility & contrast

On white

14.23

#4F1818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#4F1818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F1818

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F1818	#FFFFFF	#000000	##FFFFFF
##4F1818	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262318

Deuteranopia (green-blind)

#342F17

Tritanopia (blue-blind)

#570C19

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #4f1818;
/* rgb */ color: rgb(79, 24, 24);
/* oklch */ color: oklch(29.8% 0.083 23.6);

Tailwind

colors: {
  custom: {
    50: '#855854',
    500: '#4f1818',
    950: '#000000',
  },
}

SCSS

$custom: #4f1818;
$custom-light: #855854;
$custom-dark: #000000;

JSON

{
  "hex": "#4f1818",
  "rgb": {
    "r": 79,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29767,
    "c": 0.08306,
    "h": 23.6
  },
  "luminance": 0.02381
}

Semantic roles & 50–950 ramp

primary

#4F1818

secondary

#3D8686

accent

#DDDD4B

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #4F1818

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

Preview Lab → · Contrast checker → · Palette generator →