#4B0F18#4B0F18

#4B0F18 is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.8% C 0.089 H 16.9°. Best body text is #FFFFFF at 15.21:1 contrast (WCAG AA passes).

Color values

HEX	#4B0F18
RGB	rgb(75, 15, 24)
HSL	hsl(351, 67%, 18%)
HSV	hsv(351, 80%, 29%)
CMYK	cmyk(0%, 80%, 68%, 70.6%)
CIE-LAB	lab(14.97, 28.57, 10.69)
CIE-LCH	lch(14.97, 30.50, 20.51°)
OKLab	oklab(27.82% 0.0853 0.026)
OKLCH	oklch(27.82% 0.089 16.9)
XYZ	xyz(3.2377, 1.9039, 1.0610)
Luminance	0.0190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0F18 #0F4B42

analogous

#4B0F36 #4B0F18 #4B240F

triadic

#4B0F18 #184B0F #0F184B

tetradic

#4B0F18 #364B0F #0F4B42 #240F4B

square

#4B0F18 #364B0F #0F4B42 #240F4B

split-complementary

#4B0F18 #0F4B24 #0F364B

monochromatic

#1A0508 #1A0508 #4B0F18 #7E1928 #B12339

Accessibility & contrast

On white

15.21

#4B0F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4B0F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0F18

15.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0F18	#FFFFFF	#000000	##FFFFFF
##4B0F18	1.00	15.21	1.38	15.21
#FFFFFF	15.21	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1E18

Deuteranopia (green-blind)

#2F2A16

Tritanopia (blue-blind)

#530113

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4b0f18;
/* rgb */ color: rgb(75, 15, 24);
/* oklch */ color: oklch(27.8% 0.089 16.9);

Tailwind

colors: {
  custom: {
    50: '#825354',
    500: '#4b0f18',
    950: '#000000',
  },
}

SCSS

$custom: #4b0f18;
$custom-light: #825354;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0f18",
  "rgb": {
    "r": 75,
    "g": 15,
    "b": 24
  },
  "hsl": {
    "h": 351,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27817,
    "c": 0.0892,
    "h": 16.9
  },
  "luminance": 0.01903
}

Semantic roles & 50–950 ramp

primary

#4B0F18

secondary

#308579

accent

#EAD03E

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0302

muted

#7C7878

Preview Lab

Preview with #4B0F18

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

Preview Lab → · Contrast checker → · Palette generator →