#6428B3#6428B3

#6428B3 is a dark, highly saturated violet. Relative luminance 0.075; OKLCH L 44.6% C 0.202 H 296.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#6428B3
RGB	rgb(100, 40, 179)
HSL	hsl(266, 63%, 43%)
HSV	hsv(266, 78%, 70%)
CMYK	cmyk(44.1%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(32.88, 54.31, -62.84)
CIE-LCH	lch(32.88, 83.06, 310.83°)
OKLab	oklab(44.6% 0.0911 -0.18)
OKLCH	oklch(44.6% 0.202 296.8)
XYZ	xyz(14.1489, 7.4813, 43.3377)
Luminance	0.0748 (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

#6428B3 #77B328

analogous

#2832B3 #6428B3 #A928B3

triadic

#6428B3 #B36428 #28B364

tetradic

#6428B3 #B32832 #77B328 #28B3A9

square

#6428B3 #B32832 #77B328 #28B3A9

split-complementary

#6428B3 #B3A928 #32B328

monochromatic

#2C124F #481D81 #6428B3 #8243D5 #A375E0

Accessibility & contrast

On white

8.41

#6428B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#6428B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6428B3

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6428B3	#FFFFFF	#000000	##FFFFFF
##6428B3	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#4F4E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #6428b3;
/* rgb */ color: rgb(100, 40, 179);
/* oklch */ color: oklch(44.6% 0.202 296.8);

Tailwind

colors: {
  custom: {
    50: '#9869cb',
    500: '#6428b3',
    950: '#000000',
  },
}

SCSS

$custom: #6428b3;
$custom-light: #9869cb;
$custom-dark: #000000;

JSON

{
  "hex": "#6428b3",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 265.899,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44603,
    "c": 0.20172,
    "h": 296.8
  },
  "luminance": 0.07482
}

Semantic roles & 50–950 ramp

primary

#6428B3

secondary

#A1C86F

accent

#E6419F

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0F0713

muted

#7E7A82

Preview Lab

Preview with #6428B3

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

Preview Lab → · Contrast checker → · Palette generator →