#4B28B5#4B28B5

#4B28B5 is a dark, highly saturated violet. Relative luminance 0.064; OKLCH L 42.2% C 0.204 H 284.9°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B28B5
RGB	rgb(75, 40, 181)
HSL	hsl(255, 64%, 43%)
HSV	hsv(255, 78%, 71%)
CMYK	cmyk(58.6%, 77.9%, 0%, 29%)
CIE-LAB	lab(30.28, 51.36, -68.41)
CIE-LCH	lch(30.28, 85.54, 306.89°)
OKLab	oklab(42.2% 0.0526 -0.1971)
OKLCH	oklch(42.2% 0.204 284.9)
XYZ	xyz(11.9984, 6.3489, 44.3003)
Luminance	0.0635 (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

#4B28B5 #92B528

analogous

#284BB5 #4B28B5 #9128B5

triadic

#4B28B5 #B54B28 #28B54B

tetradic

#4B28B5 #B5284B #92B528 #28B591

square

#4B28B5 #B5284B #92B528 #28B591

split-complementary

#4B28B5 #B59128 #4BB528

monochromatic

#211251 #361D83 #4B28B5 #6944D6 #9177E1

Accessibility & contrast

On white

9.25

#4B28B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#4B28B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B28B5

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B28B5	#FFFFFF	#000000	##FFFFFF
##4B28B5	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB9

Deuteranopia (green-blind)

#0043B2

Tritanopia (blue-blind)

#0D516E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4b28b5;
/* rgb */ color: rgb(75, 40, 181);
/* oklch */ color: oklch(42.2% 0.204 284.9);

Tailwind

colors: {
  custom: {
    50: '#8a67cc',
    500: '#4b28b5',
    950: '#000000',
  },
}

SCSS

$custom: #4b28b5;
$custom-light: #8a67cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b28b5",
  "rgb": {
    "r": 75,
    "g": 40,
    "b": 181
  },
  "hsl": {
    "h": 254.894,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42201,
    "c": 0.20401,
    "h": 284.9
  },
  "luminance": 0.0635
}

Semantic roles & 50–950 ramp

primary

#4B28B5

secondary

#B3C870

accent

#E741BE

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0614

muted

#7E7A82

Preview Lab

Preview with #4B28B5

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

Preview Lab → · Contrast checker → · Palette generator →