#6428A4#6428A4

#6428A4 is a dark, vivid violet. Relative luminance 0.069; OKLCH L 43.3% C 0.186 H 300.7°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#6428A4
RGB	rgb(100, 40, 164)
HSL	hsl(269, 61%, 40%)
HSV	hsv(269, 76%, 64%)
CMYK	cmyk(39%, 75.6%, 0%, 35.7%)
CIE-LAB	lab(31.59, 50.56, -55.95)
CIE-LCH	lch(31.59, 75.41, 312.10°)
OKLab	oklab(43.31% 0.095 -0.1597)
OKLCH	oklch(43.31% 0.186 300.7)
XYZ	xyz(12.7135, 6.9071, 35.7782)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6428A4 #68A428

analogous

#282AA4 #6428A4 #A228A4

triadic

#6428A4 #A46428 #28A464

tetradic

#6428A4 #A4282A #68A428 #28A4A2

square

#6428A4 #A4282A #68A428 #28A4A2

split-complementary

#6428A4 #A4A228 #2AA428

monochromatic

#281042 #461C73 #6428A4 #823ACF #A16BDB

Accessibility & contrast

On white

8.82

#6428A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#6428A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6428A4

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6428A4	#FFFFFF	#000000	##FFFFFF
##6428A4	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA8

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#564864

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #6428a4;
/* rgb */ color: rgb(100, 40, 164);
/* oklch */ color: oklch(43.3% 0.186 300.7);

Tailwind

colors: {
  custom: {
    50: '#9668c0',
    500: '#6428a4',
    950: '#000000',
  },
}

SCSS

$custom: #6428a4;
$custom-light: #9668c0;
$custom-dark: #000000;

JSON

{
  "hex": "#6428a4",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 269.032,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.43306,
    "c": 0.18585,
    "h": 300.7
  },
  "luminance": 0.06907
}

Semantic roles & 50–950 ramp

primary

#6428A4

secondary

#95C166

accent

#E44496

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #6428A4

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

Preview Lab → · Contrast checker → · Palette generator →