#6428A7#6428A7

#6428A7 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.6% C 0.189 H 299.9°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#6428A7
RGB	rgb(100, 40, 167)
HSL	hsl(268, 61%, 41%)
HSV	hsv(268, 76%, 65%)
CMYK	cmyk(40.1%, 76%, 0%, 34.5%)
CIE-LAB	lab(31.85, 51.30, -57.35)
CIE-LCH	lch(31.85, 76.95, 311.81°)
OKLab	oklab(43.56% 0.0942 -0.1639)
OKLCH	oklch(43.56% 0.189 299.9)
XYZ	xyz(12.9876, 7.0168, 37.2218)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6428A7 #6BA728

analogous

#282CA7 #6428A7 #A328A7

triadic

#6428A7 #A76428 #28A764

tetradic

#6428A7 #A7282C #6BA728 #28A7A3

square

#6428A7 #A7282C #6BA728 #28A7A3

split-complementary

#6428A7 #A7A328 #2CA728

monochromatic

#291044 #461C76 #6428A7 #823CD0 #A26DDC

Accessibility & contrast

On white

8.74

#6428A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#6428A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6428A7

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6428A7	#FFFFFF	#000000	##FFFFFF
##6428A7	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAB

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#544966

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #6428a7;
/* rgb */ color: rgb(100, 40, 167);
/* oklch */ color: oklch(43.6% 0.189 299.9);

Tailwind

colors: {
  custom: {
    50: '#9668c2',
    500: '#6428a7',
    950: '#000000',
  },
}

SCSS

$custom: #6428a7;
$custom-light: #9668c2;
$custom-dark: #000000;

JSON

{
  "hex": "#6428a7",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 167
  },
  "hsl": {
    "h": 268.346,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4356,
    "c": 0.18904,
    "h": 299.9
  },
  "luminance": 0.07017
}

Semantic roles & 50–950 ramp

primary

#6428A7

secondary

#98C368

accent

#E44398

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #6428A7

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

Preview Lab → · Contrast checker → · Palette generator →