#4A28A3#4A28A3

#4A28A3 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.4% C 0.183 H 287.8°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#4A28A3
RGB	rgb(74, 40, 163)
HSL	hsl(257, 61%, 40%)
HSV	hsv(257, 75%, 64%)
CMYK	cmyk(54.6%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(28.43, 46.05, -60.66)
CIE-LCH	lch(28.43, 76.16, 307.21°)
OKLab	oklab(40.35% 0.0561 -0.1745)
OKLCH	oklch(40.35% 0.183 287.8)
XYZ	xyz(10.1917, 5.6173, 35.1904)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A28A3 #81A328

analogous

#2844A3 #4A28A3 #8728A3

triadic

#4A28A3 #A34A28 #28A34A

tetradic

#4A28A3 #A32844 #81A328 #28A387

square

#4A28A3 #A32844 #81A328 #28A387

split-complementary

#4A28A3 #A38728 #44A328

monochromatic

#1D1041 #341C72 #4A28A3 #633ACF #8A6BDB

Accessibility & contrast

On white

9.89

#4A28A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#4A28A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A28A3

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A28A3	#FFFFFF	#000000	##FFFFFF
##4A28A3	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A7

Deuteranopia (green-blind)

#0040A1

Tritanopia (blue-blind)

#254A64

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4a28a3;
/* rgb */ color: rgb(74, 40, 163);
/* oklch */ color: oklch(40.4% 0.183 287.8);

Tailwind

colors: {
  custom: {
    50: '#8666bf',
    500: '#4a28a3',
    950: '#000000',
  },
}

SCSS

$custom: #4a28a3;
$custom-light: #8666bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4a28a3",
  "rgb": {
    "r": 74,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 256.585,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40352,
    "c": 0.18325,
    "h": 287.8
  },
  "luminance": 0.05618
}

Semantic roles & 50–950 ramp

primary

#4A28A3

secondary

#A8C166

accent

#E444B8

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0C0612

muted

#7D7A81

Preview Lab

Preview with #4A28A3

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

Preview Lab → · Contrast checker → · Palette generator →