#6428B1#6428B1

#6428B1 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 44.4% C 0.200 H 297.3°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#6428B1
RGB	rgb(100, 40, 177)
HSL	hsl(266, 63%, 43%)
HSV	hsv(266, 77%, 69%)
CMYK	cmyk(43.5%, 77.4%, 0%, 30.6%)
CIE-LAB	lab(32.70, 53.81, -61.94)
CIE-LCH	lch(32.70, 82.05, 310.98°)
OKLab	oklab(44.43% 0.0916 -0.1773)
OKLCH	oklch(44.43% 0.2 297.3)
XYZ	xyz(13.9481, 7.4010, 42.2801)
Luminance	0.0740 (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

#6428B1 #75B128

analogous

#2831B1 #6428B1 #A828B1

triadic

#6428B1 #B16428 #28B164

tetradic

#6428B1 #B12831 #75B128 #28B1A8

square

#6428B1 #B12831 #75B128 #28B1A8

split-complementary

#6428B1 #B1A828 #31B128

monochromatic

#2C114D #481D7F #6428B1 #8242D4 #A374E0

Accessibility & contrast

On white

8.47

#6428B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#6428B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6428B1

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6428B1	#FFFFFF	#000000	##FFFFFF
##6428B1	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB5

Deuteranopia (green-blind)

#004BAE

Tritanopia (blue-blind)

#504D6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #6428b1;
/* rgb */ color: rgb(100, 40, 177);
/* oklch */ color: oklch(44.4% 0.200 297.3);

Tailwind

colors: {
  custom: {
    50: '#9869c9',
    500: '#6428b1',
    950: '#000000',
  },
}

SCSS

$custom: #6428b1;
$custom-light: #9869c9;
$custom-dark: #000000;

JSON

{
  "hex": "#6428b1",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 177
  },
  "hsl": {
    "h": 266.277,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44426,
    "c": 0.19961,
    "h": 297.3
  },
  "luminance": 0.07401
}

Semantic roles & 50–950 ramp

primary

#6428B1

secondary

#A0C76E

accent

#E6429E

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6428B1

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

Preview Lab → · Contrast checker → · Palette generator →