#6428B0#6428B0

#6428B0 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 44.3% C 0.199 H 297.6°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#6428B0
RGB	rgb(100, 40, 176)
HSL	hsl(266, 63%, 42%)
HSV	hsv(266, 77%, 69%)
CMYK	cmyk(43.2%, 77.3%, 0%, 31%)
CIE-LAB	lab(32.62, 53.55, -61.49)
CIE-LCH	lch(32.62, 81.54, 311.06°)
OKLab	oklab(44.34% 0.0919 -0.176)
OKLCH	oklch(44.34% 0.199 297.6)
XYZ	xyz(13.8487, 7.3612, 41.7571)
Luminance	0.0736 (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

#6428B0 #74B028

analogous

#2830B0 #6428B0 #A828B0

triadic

#6428B0 #B06428 #28B064

tetradic

#6428B0 #B02830 #74B028 #28B0A8

square

#6428B0 #B02830 #74B028 #28B0A8

split-complementary

#6428B0 #B0A828 #30B028

monochromatic

#2B114C #481D7E #6428B0 #8241D4 #A373DF

Accessibility & contrast

On white

8.49

#6428B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#6428B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6428B0

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6428B0	#FFFFFF	#000000	##FFFFFF
##6428B0	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB4

Deuteranopia (green-blind)

#004BAD

Tritanopia (blue-blind)

#504D6B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #6428b0;
/* rgb */ color: rgb(100, 40, 176);
/* oklch */ color: oklch(44.3% 0.199 297.6);

Tailwind

colors: {
  custom: {
    50: '#9769c9',
    500: '#6428b0',
    950: '#000000',
  },
}

SCSS

$custom: #6428b0;
$custom-light: #9769c9;
$custom-dark: #000000;

JSON

{
  "hex": "#6428b0",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 176
  },
  "hsl": {
    "h": 266.471,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.44338,
    "c": 0.19856,
    "h": 297.6
  },
  "luminance": 0.07361
}

Semantic roles & 50–950 ramp

primary

#6428B0

secondary

#9FC66D

accent

#E6429E

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #6428B0

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

Preview Lab → · Contrast checker → · Palette generator →