#4B0C18#4B0C18

#4B0C18 is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.5% C 0.093 H 15.4°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#4B0C18
RGB	rgb(75, 12, 24)
HSL	hsl(349, 72%, 17%)
HSV	hsv(349, 84%, 29%)
CMYK	cmyk(0%, 84%, 68%, 70.6%)
CIE-LAB	lab(14.54, 29.78, 10.12)
CIE-LCH	lch(14.54, 31.45, 18.76°)
OKLab	oklab(27.5% 0.0892 0.0246)
OKLCH	oklch(27.5% 0.093 15.4)
XYZ	xyz(3.1983, 1.8252, 1.0479)
Luminance	0.0182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B0C18 #0C4B3F

analogous

#4B0C38 #4B0C18 #4B1F0C

triadic

#4B0C18 #184B0C #0C184B

tetradic

#4B0C18 #384B0C #0C4B3F #1F0C4B

square

#4B0C18 #384B0C #0C4B3F #1F0C4B

split-complementary

#4B0C18 #0C4B1F #0C384B

monochromatic

#1A0408 #1A0408 #4B0C18 #801429 #B51D3A

Accessibility & contrast

On white

15.38

#4B0C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#4B0C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B0C18

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B0C18	#FFFFFF	#000000	##FFFFFF
##4B0C18	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1C18

Deuteranopia (green-blind)

#2E2916

Tritanopia (blue-blind)

#530011

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #4b0c18;
/* rgb */ color: rgb(75, 12, 24);
/* oklch */ color: oklch(27.5% 0.093 15.4);

Tailwind

colors: {
  custom: {
    50: '#825154',
    500: '#4b0c18',
    950: '#000000',
  },
}

SCSS

$custom: #4b0c18;
$custom-light: #825154;
$custom-dark: #000000;

JSON

{
  "hex": "#4b0c18",
  "rgb": {
    "r": 75,
    "g": 12,
    "b": 24
  },
  "hsl": {
    "h": 348.571,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.27496,
    "c": 0.09255,
    "h": 15.4
  },
  "luminance": 0.01825
}

Semantic roles & 50–950 ramp

primary

#4B0C18

secondary

#2C8775

accent

#EFCC39

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0202

muted

#7C7878

Preview Lab

Preview with #4B0C18

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

Preview Lab → · Contrast checker → · Palette generator →