#6543BC#6543BC

#6543BC is a mid, vivid violet. Relative luminance 0.104; OKLCH L 48.9% C 0.181 H 291.2°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX#6543BC
RGBrgb(101, 67, 188)
HSLhsl(257, 47%, 50%)
HSVhsv(257, 64%, 74%)
CMYKcmyk(46.3%, 64.4%, 0%, 26.3%)
CIE-LABlab(38.57, 43.41, -58.87)
CIE-LCHlch(38.57, 73.15, 306.41°)
OKLaboklab(48.91% 0.0652 -0.1684)
OKLCHoklch(48.91% 0.181 291.2)
XYZxyz(16.4485, 10.4113, 48.7101)
Luminance0.1041 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6543BC #9ABC43
analogous
#435DBC #6543BC #A243BC
triadic
#6543BC #BC6543 #43BC65
tetradic
#6543BC #BC435D #9ABC43 #43BCA2
square
#6543BC #BC435D #9ABC43 #43BCA2
split-complementary
#6543BC #BCA243 #5DBC43
monochromatic
#352362 #4D338F #6543BC #8A70CC #AF9DDC

Accessibility & contrast

On white

6.81
#6543BC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#6543BC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6543BC
6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6543BC#FFFFFF#000000##FFFFFF
##6543BC1.006.813.086.81
#FFFFFF6.811.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DC0
Deuteranopia (green-blind)
#0058BA
Tritanopia (blue-blind)
#4A6079
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #6543bc;
/* rgb */ color: rgb(101, 67, 188);
/* oklch */ color: oklch(48.9% 0.181 291.2);
Tailwind
colors: {
  custom: {
    50: '#9879d1',
    500: '#6543bc',
    950: '#000000',
  },
}
SCSS
$custom: #6543bc;
$custom-light: #9879d1;
$custom-dark: #000000;
JSON
{
  "hex": "#6543bc",
  "rgb": {
    "r": 101,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 256.86,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.48909,
    "c": 0.1806,
    "h": 291.2
  },
  "luminance": 0.10412
}

Semantic roles & 50–950 ramp

primary
#6543BC
secondary
#B9C992
accent
#D751B1
background
#F9F7FC
surface
#F2EDF9
border
#CCC8D2
text
#0E0914
muted
#7E7B82

Preview Lab

Preview with #6543BC

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

Preview Lab → · Contrast checker → · Palette generator →

#6543BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva