#6643CE#6643CE

#6643CE is a mid, highly saturated violet. Relative luminance 0.113; OKLCH L 50.5% C 0.202 H 288.5°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#6643CE
RGB	rgb(102, 67, 206)
HSL	hsl(255, 59%, 54%)
HSV	hsv(255, 67%, 81%)
CMYK	cmyk(50.5%, 67.5%, 0%, 19.2%)
CIE-LAB	lab(40.07, 48.72, -66.91)
CIE-LCH	lch(40.07, 82.77, 306.06°)
OKLab	oklab(50.45% 0.0643 -0.192)
OKLCH	oklch(50.45% 0.202 288.5)
XYZ	xyz(18.6240, 11.2945, 59.5793)
Luminance	0.1129 (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

#6643CE #ABCE43

analogous

#4365CE #6643CE #AB43CE

triadic

#6643CE #CE6643 #43CE66

tetradic

#6643CE #CE4365 #ABCE43 #43CEAB

square

#6643CE #CE4365 #ABCE43 #43CEAB

split-complementary

#6643CE #CEAB43 #65CE43

monochromatic

#351F77 #4B2CA8 #6643CE #8E74DB #B5A4E7

Accessibility & contrast

On white

6.44

#6643CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#6643CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6643CE

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6643CE	#FFFFFF	#000000	##FFFFFF
##6643CE	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D2

Deuteranopia (green-blind)

#005BCB

Tritanopia (blue-blind)

#416683

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #6643ce;
/* rgb */ color: rgb(102, 67, 206);
/* oklch */ color: oklch(50.5% 0.202 288.5);

Tailwind

colors: {
  custom: {
    50: '#9b7ade',
    500: '#6643ce',
    950: '#000000',
  },
}

SCSS

$custom: #6643ce;
$custom-light: #9b7ade;
$custom-dark: #000000;

JSON

{
  "hex": "#6643ce",
  "rgb": {
    "r": 102,
    "g": 67,
    "b": 206
  },
  "hsl": {
    "h": 255.108,
    "s": 58.65,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50452,
    "c": 0.20247,
    "h": 288.5
  },
  "luminance": 0.11295
}

Semantic roles & 50–950 ramp

primary

#6643CE

secondary

#C5D499

accent

#E246BB

background

#FAF7FD

surface

#F4EEFB

border

#CEC9D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6643CE

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

Preview Lab → · Contrast checker → · Palette generator →