#6428A8#6428A8

#6428A8 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.6% C 0.190 H 299.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#6428A8
RGB	rgb(100, 40, 168)
HSL	hsl(268, 62%, 41%)
HSV	hsv(268, 76%, 66%)
CMYK	cmyk(40.5%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(31.93, 51.55, -57.82)
CIE-LCH	lch(31.93, 77.46, 311.72°)
OKLab	oklab(43.65% 0.094 -0.1652)
OKLCH	oklch(43.65% 0.19 299.6)
XYZ	xyz(13.0804, 7.0539, 37.7106)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6428A8 #6CA828

analogous

#282CA8 #6428A8 #A428A8

triadic

#6428A8 #A86428 #28A864

tetradic

#6428A8 #A8282C #6CA828 #28A8A4

square

#6428A8 #A8282C #6CA828 #28A8A4

split-complementary

#6428A8 #A8A428 #2CA828

monochromatic

#291045 #471C77 #6428A8 #823DD1 #A26EDC

Accessibility & contrast

On white

8.71

#6428A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#6428A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6428A8

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6428A8	#FFFFFF	#000000	##FFFFFF
##6428A8	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAC

Deuteranopia (green-blind)

#004AA6

Tritanopia (blue-blind)

#544A67

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #6428a8;
/* rgb */ color: rgb(100, 40, 168);
/* oklch */ color: oklch(43.6% 0.190 299.6);

Tailwind

colors: {
  custom: {
    50: '#9768c3',
    500: '#6428a8',
    950: '#000000',
  },
}

SCSS

$custom: #6428a8;
$custom-light: #9768c3;
$custom-dark: #000000;

JSON

{
  "hex": "#6428a8",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 268.125,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43646,
    "c": 0.19009,
    "h": 299.6
  },
  "luminance": 0.07054
}

Semantic roles & 50–950 ramp

primary

#6428A8

secondary

#99C369

accent

#E54399

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6428A8

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

Preview Lab → · Contrast checker → · Palette generator →