#4B28A3#4B28A3

#4B28A3 is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.5% C 0.183 H 288.3°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#4B28A3
RGB	rgb(75, 40, 163)
HSL	hsl(257, 61%, 40%)
HSV	hsv(257, 75%, 64%)
CMYK	cmyk(54%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(28.53, 46.20, -60.48)
CIE-LCH	lch(28.53, 76.11, 307.38°)
OKLab	oklab(40.45% 0.0576 -0.1739)
OKLCH	oklch(40.45% 0.183 288.3)
XYZ	xyz(10.2694, 5.6573, 35.1941)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B28A3 #80A328

analogous

#2843A3 #4B28A3 #8828A3

triadic

#4B28A3 #A34B28 #28A34B

tetradic

#4B28A3 #A32843 #80A328 #28A388

square

#4B28A3 #A32843 #80A328 #28A388

split-complementary

#4B28A3 #A38828 #43A328

monochromatic

#1E1041 #341C72 #4B28A3 #643ACF #8B6BDB

Accessibility & contrast

On white

9.85

#4B28A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#4B28A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B28A3

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B28A3	#FFFFFF	#000000	##FFFFFF
##4B28A3	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A7

Deuteranopia (green-blind)

#0040A1

Tritanopia (blue-blind)

#284A64

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4b28a3;
/* rgb */ color: rgb(75, 40, 163);
/* oklch */ color: oklch(40.5% 0.183 288.3);

Tailwind

colors: {
  custom: {
    50: '#8766bf',
    500: '#4b28a3',
    950: '#000000',
  },
}

SCSS

$custom: #4b28a3;
$custom-light: #8766bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b28a3",
  "rgb": {
    "r": 75,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 257.073,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40451,
    "c": 0.18319,
    "h": 288.3
  },
  "luminance": 0.05658
}

Semantic roles & 50–950 ramp

primary

#4B28A3

secondary

#A7C166

accent

#E444B6

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0C0612

muted

#7D7A81

Preview Lab

Preview with #4B28A3

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

Preview Lab → · Contrast checker → · Palette generator →