#6540BC#6540BC

#6540BC is a mid, vivid violet. Relative luminance 0.101; OKLCH L 48.5% C 0.184 H 291.7°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#6540BC
RGB	rgb(101, 64, 188)
HSL	hsl(258, 49%, 49%)
HSV	hsv(258, 66%, 74%)
CMYK	cmyk(46.3%, 66%, 0%, 26.3%)
CIE-LAB	lab(37.96, 45.08, -59.87)
CIE-LCH	lch(37.96, 74.94, 306.98°)
OKLab	oklab(48.47% 0.0684 -0.1713)
OKLCH	oklch(48.47% 0.184 291.7)
XYZ	xyz(16.2748, 10.0638, 48.6522)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6540BC #97BC40

analogous

#4059BC #6540BC #A340BC

triadic

#6540BC #BC6540 #40BC65

tetradic

#6540BC #BC4059 #97BC40 #40BCA3

square

#6540BC #BC4059 #97BC40 #40BCA3

split-complementary

#6540BC #BCA340 #59BC40

monochromatic

#342161 #4C308E #6540BC #896CCD #AE9ADD

Accessibility & contrast

On white

6.97

#6540BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#6540BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6540BC

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6540BC	#FFFFFF	#000000	##FFFFFF
##6540BC	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC0

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#4B5E78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6540bc;
/* rgb */ color: rgb(101, 64, 188);
/* oklch */ color: oklch(48.5% 0.184 291.7);

Tailwind

colors: {
  custom: {
    50: '#9877d1',
    500: '#6540bc',
    950: '#000000',
  },
}

SCSS

$custom: #6540bc;
$custom-light: #9877d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6540bc",
  "rgb": {
    "r": 101,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 257.903,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48465,
    "c": 0.18448,
    "h": 291.7
  },
  "luminance": 0.10064
}

Semantic roles & 50–950 ramp

primary

#6540BC

secondary

#B7C98F

accent

#D94FB0

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6540BC

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

Preview Lab → · Contrast checker → · Palette generator →