#4B21A6#4B21A6

#4B21A6 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.193 H 288.6°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#4B21A6
RGB	rgb(75, 33, 166)
HSL	hsl(259, 67%, 39%)
HSV	hsv(259, 80%, 65%)
CMYK	cmyk(54.8%, 80.1%, 0%, 34.9%)
CIE-LAB	lab(27.67, 50.34, -63.71)
CIE-LCH	lch(27.67, 81.20, 308.32°)
OKLab	oklab(39.94% 0.0619 -0.1833)
OKLCH	oklch(39.94% 0.193 288.6)
XYZ	xyz(10.3264, 5.3362, 36.5549)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B21A6 #7CA621

analogous

#213AA6 #4B21A6 #8E21A6

triadic

#4B21A6 #A64B21 #21A64B

tetradic

#4B21A6 #A6213A #7CA621 #21A68E

square

#4B21A6 #A6213A #7CA621 #21A68E

split-complementary

#4B21A6 #A68E21 #3AA621

monochromatic

#1D0D40 #341773 #4B21A6 #632FD6 #8962E0

Accessibility & contrast

On white

10.16

#4B21A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#4B21A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B21A6

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B21A6	#FFFFFF	#000000	##FFFFFF
##4B21A6	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AA

Deuteranopia (green-blind)

#003EA4

Tritanopia (blue-blind)

#264864

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4b21a6;
/* rgb */ color: rgb(75, 33, 166);
/* oklch */ color: oklch(39.9% 0.193 288.6);

Tailwind

colors: {
  custom: {
    50: '#8862c2',
    500: '#4b21a6',
    950: '#000000',
  },
}

SCSS

$custom: #4b21a6;
$custom-light: #8862c2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b21a6",
  "rgb": {
    "r": 75,
    "g": 33,
    "b": 166
  },
  "hsl": {
    "h": 258.947,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39939,
    "c": 0.19345,
    "h": 288.6
  },
  "luminance": 0.05337
}

Semantic roles & 50–950 ramp

primary

#4B21A6

secondary

#A4C55E

accent

#EA3EB4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0D0512

muted

#7D7A81

Preview Lab

Preview with #4B21A6

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

Preview Lab → · Contrast checker → · Palette generator →