#4B1789#4B1789

#4B1789 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.171 H 297.4°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#4B1789
RGB	rgb(75, 23, 137)
HSL	hsl(267, 71%, 31%)
HSV	hsv(267, 83%, 54%)
CMYK	cmyk(45.3%, 83.2%, 0%, 46.3%)
CIE-LAB	lab(23.39, 46.78, -52.92)
CIE-LCH	lch(23.39, 70.64, 311.48°)
OKLab	oklab(36.11% 0.0787 -0.1516)
OKLCH	oklch(36.11% 0.171 297.4)
XYZ	xyz(7.7222, 3.9146, 24.0108)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1789 #558917

analogous

#171C89 #4B1789 #841789

triadic

#4B1789 #894B17 #17894B

tetradic

#4B1789 #89171C #558917 #178984

square

#4B1789 #89171C #558917 #178984

split-complementary

#4B1789 #898417 #1C8917

monochromatic

#120520 #2E0E55 #4B1789 #6820BD #863CDE

Accessibility & contrast

On white

11.78

#4B1789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#4B1789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1789

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1789	#FFFFFF	#000000	##FFFFFF
##4B1789	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388C

Deuteranopia (green-blind)

#003687

Tritanopia (blue-blind)

#3A3851

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #4b1789;
/* rgb */ color: rgb(75, 23, 137);
/* oklch */ color: oklch(36.1% 0.171 297.4);

Tailwind

colors: {
  custom: {
    50: '#845cac',
    500: '#4b1789',
    950: '#000000',
  },
}

SCSS

$custom: #4b1789;
$custom-light: #845cac;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1789",
  "rgb": {
    "r": 75,
    "g": 23,
    "b": 137
  },
  "hsl": {
    "h": 267.368,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36106,
    "c": 0.17082,
    "h": 297.4
  },
  "luminance": 0.03915
}

Semantic roles & 50–950 ramp

primary

#4B1789

secondary

#83BD3F

accent

#EE3A9C

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0410

muted

#7D797F

Preview Lab

Preview with #4B1789

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

Preview Lab → · Contrast checker → · Palette generator →