#6428A5#6428A5

#6428A5 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 43.4% C 0.187 H 300.5°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#6428A5
RGB	rgb(100, 40, 165)
HSL	hsl(269, 61%, 40%)
HSV	hsv(269, 76%, 65%)
CMYK	cmyk(39.4%, 75.8%, 0%, 35.3%)
CIE-LAB	lab(31.68, 50.81, -56.42)
CIE-LCH	lch(31.68, 75.93, 312.00°)
OKLab	oklab(43.39% 0.0947 -0.1611)
OKLCH	oklch(43.39% 0.187 300.5)
XYZ	xyz(12.8042, 6.9434, 36.2556)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6428A5 #69A528

analogous

#282AA5 #6428A5 #A328A5

triadic

#6428A5 #A56428 #28A564

tetradic

#6428A5 #A5282A #69A528 #28A5A3

square

#6428A5 #A5282A #69A528 #28A5A3

split-complementary

#6428A5 #A5A328 #2AA528

monochromatic

#281042 #461C74 #6428A5 #823BCF #A16CDB

Accessibility & contrast

On white

8.79

#6428A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#6428A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6428A5

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6428A5	#FFFFFF	#000000	##FFFFFF
##6428A5	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA9

Deuteranopia (green-blind)

#004AA3

Tritanopia (blue-blind)

#554865

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #6428a5;
/* rgb */ color: rgb(100, 40, 165);
/* oklch */ color: oklch(43.4% 0.187 300.5);

Tailwind

colors: {
  custom: {
    50: '#9668c1',
    500: '#6428a5',
    950: '#000000',
  },
}

SCSS

$custom: #6428a5;
$custom-light: #9668c1;
$custom-dark: #000000;

JSON

{
  "hex": "#6428a5",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 165
  },
  "hsl": {
    "h": 268.8,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.43391,
    "c": 0.18691,
    "h": 300.5
  },
  "luminance": 0.06944
}

Semantic roles & 50–950 ramp

primary

#6428A5

secondary

#96C267

accent

#E44497

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #6428A5

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

Preview Lab → · Contrast checker → · Palette generator →