#6643CA#6643CA

#6643CA is a mid, vivid violet. Relative luminance 0.111; OKLCH L 50.1% C 0.198 H 289.2°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#6643CA
RGB	rgb(102, 67, 202)
HSL	hsl(256, 56%, 53%)
HSV	hsv(256, 67%, 79%)
CMYK	cmyk(49.5%, 66.8%, 0%, 20.8%)
CIE-LAB	lab(39.75, 47.58, -65.11)
CIE-LCH	lch(39.75, 80.65, 306.16°)
OKLab	oklab(50.12% 0.0649 -0.1867)
OKLCH	oklch(50.12% 0.198 289.2)
XYZ	xyz(18.1442, 11.1026, 57.0526)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 0.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6643CA #A7CA43

analogous

#4363CA #6643CA #AA43CA

triadic

#6643CA #CA6643 #43CA66

tetradic

#6643CA #CA4363 #A7CA43 #43CAAA

square

#6643CA #CA4363 #A7CA43 #43CAAA

split-complementary

#6643CA #CAAA43 #63CA43

monochromatic

#362072 #4C2EA2 #6643CA #8D73D7 #B4A2E5

Accessibility & contrast

On white

6.52

#6643CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#6643CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6643CA

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6643CA	#FFFFFF	#000000	##FFFFFF
##6643CA	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CE

Deuteranopia (green-blind)

#005AC7

Tritanopia (blue-blind)

#436581

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #6643ca;
/* rgb */ color: rgb(102, 67, 202);
/* oklch */ color: oklch(50.1% 0.198 289.2);

Tailwind

colors: {
  custom: {
    50: '#9a79db',
    500: '#6643ca',
    950: '#000000',
  },
}

SCSS

$custom: #6643ca;
$custom-light: #9a79db;
$custom-dark: #000000;

JSON

{
  "hex": "#6643ca",
  "rgb": {
    "r": 102,
    "g": 67,
    "b": 202
  },
  "hsl": {
    "h": 255.556,
    "s": 56.017,
    "l": 52.745
  },
  "oklch": {
    "l": 0.50124,
    "c": 0.19767,
    "h": 289.2
  },
  "luminance": 0.11103
}

Semantic roles & 50–950 ramp

primary

#6643CA

secondary

#C2D297

accent

#DF48B8

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #6643CA

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

Preview Lab → · Contrast checker → · Palette generator →