#6543BB#6543BB

#6543BB is a mid, vivid violet. Relative luminance 0.104; OKLCH L 48.8% C 0.179 H 291.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#6543BB
RGB	rgb(101, 67, 187)
HSL	hsl(257, 47%, 50%)
HSV	hsv(257, 64%, 73%)
CMYK	cmyk(46%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(38.50, 43.13, -58.41)
CIE-LCH	lch(38.50, 72.61, 306.44°)
OKLab	oklab(48.83% 0.0653 -0.167)
OKLCH	oklch(48.83% 0.179 291.4)
XYZ	xyz(16.3411, 10.3683, 48.1444)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.89

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6543BB #99BB43

analogous

#435DBB #6543BB #A143BB

triadic

#6543BB #BB6543 #43BB65

tetradic

#6543BB #BB435D #99BB43 #43BBA1

square

#6543BB #BB435D #99BB43 #43BBA1

split-complementary

#6543BB #BBA143 #5DBB43

monochromatic

#342361 #4D338E #6543BB #8A70CC #AF9DDC

Accessibility & contrast

On white

6.83

#6543BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#6543BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6543BB

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6543BB	#FFFFFF	#000000	##FFFFFF
##6543BB	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#4B5F79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #6543bb;
/* rgb */ color: rgb(101, 67, 187);
/* oklch */ color: oklch(48.8% 0.179 291.4);

Tailwind

colors: {
  custom: {
    50: '#9879d0',
    500: '#6543bb',
    950: '#000000',
  },
}

SCSS

$custom: #6543bb;
$custom-light: #9879d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6543bb",
  "rgb": {
    "r": 101,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 257,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48831,
    "c": 0.17937,
    "h": 291.4
  },
  "luminance": 0.10369
}

Semantic roles & 50–950 ramp

primary

#6543BB

secondary

#B9C892

accent

#D751B1

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6543BB

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

Preview Lab → · Contrast checker → · Palette generator →