#6540BB#6540BB

#6540BB is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.4% C 0.183 H 291.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#6540BB
RGB	rgb(101, 64, 187)
HSL	hsl(258, 49%, 49%)
HSV	hsv(258, 66%, 73%)
CMYK	cmyk(46%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(37.88, 44.80, -59.41)
CIE-LCH	lch(37.88, 74.41, 307.02°)
OKLab	oklab(48.39% 0.0685 -0.17)
OKLCH	oklch(48.39% 0.183 291.9)
XYZ	xyz(16.1674, 10.0208, 48.0864)
Luminance	0.1002 (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

#6540BB #96BB40

analogous

#4059BB #6540BB #A340BB

triadic

#6540BB #BB6540 #40BB65

tetradic

#6540BB #BB4059 #96BB40 #40BBA3

square

#6540BB #BB4059 #96BB40 #40BBA3

split-complementary

#6540BB #BBA340 #59BB40

monochromatic

#342160 #4C308D #6540BB #896CCD #AD99DC

Accessibility & contrast

On white

6.99

#6540BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#6540BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6540BB

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6540BB	#FFFFFF	#000000	##FFFFFF
##6540BB	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#4B5E78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6540bb;
/* rgb */ color: rgb(101, 64, 187);
/* oklch */ color: oklch(48.4% 0.183 291.9);

Tailwind

colors: {
  custom: {
    50: '#9877d0',
    500: '#6540bb',
    950: '#000000',
  },
}

SCSS

$custom: #6540bb;
$custom-light: #9877d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6540bb",
  "rgb": {
    "r": 101,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 258.049,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48386,
    "c": 0.18327,
    "h": 291.9
  },
  "luminance": 0.10021
}

Semantic roles & 50–950 ramp

primary

#6540BB

secondary

#B7C88F

accent

#D94FAF

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6540BB

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

Preview Lab → · Contrast checker → · Palette generator →