#4B181E#4B181E

#4B181E is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.2% C 0.077 H 16.3°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#4B181E
RGB	rgb(75, 24, 30)
HSL	hsl(353, 52%, 19%)
HSV	hsv(353, 68%, 29%)
CMYK	cmyk(0%, 68%, 60%, 70.6%)
CIE-LAB	lab(16.72, 24.74, 8.69)
CIE-LCH	lch(16.72, 26.22, 19.35°)
OKLab	oklab(29.16% 0.0743 0.0217)
OKLCH	oklch(29.16% 0.077 16.3)
XYZ	xyz(3.4629, 2.2433, 1.4787)
Luminance	0.0224 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B181E #184B45

analogous

#4B1838 #4B181E #4B2C18

triadic

#4B181E #1E4B18 #181E4B

tetradic

#4B181E #384B18 #184B45 #2C184B

square

#4B181E #384B18 #184B45 #2C184B

split-complementary

#4B181E #184B2C #18384B

monochromatic

#170709 #1D090B #4B181E #792731 #A83643

Accessibility & contrast

On white

14.50

#4B181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#4B181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B181E

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B181E	#FFFFFF	#000000	##FFFFFF
##4B181E	1.00	14.50	1.45	14.50
#FFFFFF	14.50	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24231E

Deuteranopia (green-blind)

#312D1D

Tritanopia (blue-blind)

#520F1A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #4b181e;
/* rgb */ color: rgb(75, 24, 30);
/* oklch */ color: oklch(29.2% 0.077 16.3);

Tailwind

colors: {
  custom: {
    50: '#815859',
    500: '#4b181e',
    950: '#000000',
  },
}

SCSS

$custom: #4b181e;
$custom-light: #815859;
$custom-dark: #000000;

JSON

{
  "hex": "#4b181e",
  "rgb": {
    "r": 75,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 352.941,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29163,
    "c": 0.07741,
    "h": 16.3
  },
  "luminance": 0.02243
}

Semantic roles & 50–950 ramp

primary

#4B181E

secondary

#3D827A

accent

#DBCA4D

background

#F8F5F5

surface

#EFE9E9

border

#CAC5C5

text

#0B0303

muted

#7C7878

Preview Lab

Preview with #4B181E

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

Preview Lab → · Contrast checker → · Palette generator →