#6543CA#6543CA

#6543CA is a mid, vivid violet. Relative luminance 0.110; OKLCH L 50.0% C 0.198 H 288.7°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#6543CA
RGBrgb(101, 67, 202)
HSLhsl(255, 56%, 53%)
HSVhsv(255, 67%, 79%)
CMYKcmyk(50%, 66.8%, 0%, 20.8%)
CIE-LABlab(39.66, 47.41, -65.28)
CIE-LCHlch(39.66, 80.67, 305.99°)
OKLaboklab(50.03% 0.0635 -0.1872)
OKLCHoklch(50.03% 0.198 288.7)
XYZxyz(18.0316, 11.0445, 57.0474)
Luminance0.1105 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6543CA #A8CA43
analogous
#4364CA #6543CA #A843CA
triadic
#6543CA #CA6543 #43CA65
tetradic
#6543CA #CA4364 #A8CA43 #43CAA8
square
#6543CA #CA4364 #A8CA43 #43CAA8
split-complementary
#6543CA #CAA843 #64CA43
monochromatic
#352072 #4B2EA2 #6543CA #8C73D7 #B3A2E5

Accessibility & contrast

On white

6.54
#6543CA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#6543CA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6543CA
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6543CA#FFFFFF#000000##FFFFFF
##6543CA1.006.543.216.54
#FFFFFF6.541.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0060CE
Deuteranopia (green-blind)
#005AC7
Tritanopia (blue-blind)
#416581
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #6543ca;
/* rgb */ color: rgb(101, 67, 202);
/* oklch */ color: oklch(50.0% 0.198 288.7);
Tailwind
colors: {
  custom: {
    50: '#9a79db',
    500: '#6543ca',
    950: '#000000',
  },
}
SCSS
$custom: #6543ca;
$custom-light: #9a79db;
$custom-dark: #000000;
JSON
{
  "hex": "#6543ca",
  "rgb": {
    "r": 101,
    "g": 67,
    "b": 202
  },
  "hsl": {
    "h": 255.111,
    "s": 56.017,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5003,
    "c": 0.19771,
    "h": 288.7
  },
  "luminance": 0.11045
}

Semantic roles & 50–950 ramp

primary
#6543CA
secondary
#C3D297
accent
#DF48B9
background
#FAF7FD
surface
#F3EEFB
border
#CDC9D4
text
#0F0915
muted
#7F7B83

Preview Lab

Preview with #6543CA

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

Preview Lab → · Contrast checker → · Palette generator →

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