#4B1B83#4B1B83

#4B1B83 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.9% C 0.160 H 298.8°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B83
RGB	rgb(75, 27, 131)
HSL	hsl(268, 66%, 31%)
HSV	hsv(268, 79%, 51%)
CMYK	cmyk(42.7%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(23.40, 43.57, -49.14)
CIE-LCH	lch(23.40, 65.67, 311.57°)
OKLab	oklab(35.94% 0.0774 -0.1405)
OKLCH	oklch(35.94% 0.16 298.8)
XYZ	xyz(7.3893, 3.9183, 21.8353)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B83 #53831B

analogous

#1B1F83 #4B1B83 #7F1B83

triadic

#4B1B83 #834B1B #1B834B

tetradic

#4B1B83 #831B1F #53831B #1B837F

square

#4B1B83 #831B1F #53831B #1B837F

split-complementary

#4B1B83 #837F1B #1F831B

monochromatic

#11061E #2E1150 #4B1B83 #6825B6 #8641D8

Accessibility & contrast

On white

11.77

#4B1B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#4B1B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B83

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B83	#FFFFFF	#000000	##FFFFFF
##4B1B83	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003886

Deuteranopia (green-blind)

#003781

Tritanopia (blue-blind)

#3D374E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #4b1b83;
/* rgb */ color: rgb(75, 27, 131);
/* oklch */ color: oklch(35.9% 0.160 298.8);

Tailwind

colors: {
  custom: {
    50: '#835da8',
    500: '#4b1b83',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b83;
$custom-light: #835da8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b83",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 267.692,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35942,
    "c": 0.16043,
    "h": 298.8
  },
  "luminance": 0.03918
}

Semantic roles & 50–950 ramp

primary

#4B1B83

secondary

#81B643

accent

#E93F9A

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #4B1B83

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

Preview Lab → · Contrast checker → · Palette generator →