#4B1B87#4B1B87

#4B1B87 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.3% C 0.165 H 297.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B87
RGB	rgb(75, 27, 135)
HSL	hsl(267, 67%, 32%)
HSV	hsv(267, 80%, 53%)
CMYK	cmyk(44.4%, 80%, 0%, 47.1%)
CIE-LAB	lab(23.77, 44.62, -51.05)
CIE-LCH	lch(23.77, 67.80, 311.16°)
OKLab	oklab(36.31% 0.0762 -0.1462)
OKLCH	oklch(36.31% 0.165 297.5)
XYZ	xyz(7.6656, 4.0288, 23.2907)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B87 #57871B

analogous

#1B2187 #4B1B87 #811B87

triadic

#4B1B87 #874B1B #1B874B

tetradic

#4B1B87 #871B21 #57871B #1B8781

square

#4B1B87 #871B21 #57871B #1B8781

split-complementary

#4B1B87 #87811B #21871B

monochromatic

#120721 #2F1154 #4B1B87 #6725BA #8643D9

Accessibility & contrast

On white

11.63

#4B1B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#4B1B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B87

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B87	#FFFFFF	#000000	##FFFFFF
##4B1B87	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#003785

Tritanopia (blue-blind)

#3B3951

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #4b1b87;
/* rgb */ color: rgb(75, 27, 135);
/* oklch */ color: oklch(36.3% 0.165 297.5);

Tailwind

colors: {
  custom: {
    50: '#845eab',
    500: '#4b1b87',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b87;
$custom-light: #845eab;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b87",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 266.667,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36312,
    "c": 0.16482,
    "h": 297.5
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#4B1B87

secondary

#85BA44

accent

#EA3E9D

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #4B1B87

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

Preview Lab → · Contrast checker → · Palette generator →