#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
RGBrgb(102, 67, 218)
HSLhsl(254, 67%, 56%)
HSVhsv(254, 69%, 85%)
CMYKcmyk(53.2%, 69.3%, 0%, 14.5%)
CIE-LABlab(41.06, 52.14, -72.20)
CIE-LCHlch(41.06, 89.06, 305.83°)
OKLaboklab(51.46% 0.0623 -0.2075)
OKLCHoklch(51.46% 0.217 286.7)
XYZxyz(20.1378, 11.9000, 67.5519)
Luminance0.1190 (WCAG relative)
Temperaturecool
Familyviolet

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
##6643DA1.006.213.386.21
#FFFFFF6.211.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.211.0021.001.00

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 →

#6643DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva