#6643DA#6643DA

#6643DA is a mid, highly saturated violet. Relative luminance 0.119; OKLCH L 51.5% C 0.217 H 286.7°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#6643DA
RGB	rgb(102, 67, 218)
HSL	hsl(254, 67%, 56%)
HSV	hsv(254, 69%, 85%)
CMYK	cmyk(53.2%, 69.3%, 0%, 14.5%)
CIE-LAB	lab(41.06, 52.14, -72.20)
CIE-LCH	lch(41.06, 89.06, 305.83°)
OKLab	oklab(51.46% 0.0623 -0.2075)
OKLCH	oklch(51.46% 0.217 286.7)
XYZ	xyz(20.1378, 11.9000, 67.5519)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6643DA #B7DA43

analogous

#436BDA #6643DA #B143DA

triadic

#6643DA #DA6643 #43DA66

tetradic

#6643DA #DA436B #B7DA43 #43DAB1

square

#6643DA #DA436B #B7DA43 #43DAB1

split-complementary

#6643DA #DAB143 #6BDA43

monochromatic

#341B88 #4825BB #6643DA #9076E4 #B9A9EE

Accessibility & contrast

On white

6.21

#6643DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#6643DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6643DA

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6643DA	#FFFFFF	#000000	##FFFFFF
##6643DA	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065DF

Deuteranopia (green-blind)

#005CD7

Tritanopia (blue-blind)

#366A8A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #6643da;
/* rgb */ color: rgb(102, 67, 218);
/* oklch */ color: oklch(51.5% 0.217 286.7);

Tailwind

colors: {
  custom: {
    50: '#9c7ae7',
    500: '#6643da',
    950: '#000000',
  },
}

SCSS

$custom: #6643da;
$custom-light: #9c7ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#6643da",
  "rgb": {
    "r": 102,
    "g": 67,
    "b": 218
  },
  "hsl": {
    "h": 253.907,
    "s": 67.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51462,
    "c": 0.21669,
    "h": 286.7
  },
  "luminance": 0.11901
}

Semantic roles & 50–950 ramp

primary

#6643DA

secondary

#CDDC9D

accent

#EA3EC2

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #6643DA

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

Preview Lab → · Contrast checker → · Palette generator →