#6440BC#6440BC

#6440BC is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.4% C 0.184 H 291.3°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#6440BC
RGB	rgb(100, 64, 188)
HSL	hsl(257, 49%, 49%)
HSV	hsv(257, 66%, 74%)
CMYK	cmyk(46.8%, 66%, 0%, 26.3%)
CIE-LAB	lab(37.85, 44.89, -60.04)
CIE-LCH	lch(37.85, 74.97, 306.78°)
OKLab	oklab(48.37% 0.067 -0.1719)
OKLCH	oklch(48.37% 0.184 291.3)
XYZ	xyz(16.1635, 10.0064, 48.6470)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.68

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6440BC #98BC40

analogous

#405ABC #6440BC #A240BC

triadic

#6440BC #BC6440 #40BC64

tetradic

#6440BC #BC405A #98BC40 #40BCA2

square

#6440BC #BC405A #98BC40 #40BCA2

split-complementary

#6440BC #BCA240 #5ABC40

monochromatic

#332161 #4C308E #6440BC #886CCD #AD9ADD

Accessibility & contrast

On white

7.00

#6440BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#6440BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440BC

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440BC	#FFFFFF	#000000	##FFFFFF
##6440BC	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC0

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#495E78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6440bc;
/* rgb */ color: rgb(100, 64, 188);
/* oklch */ color: oklch(48.4% 0.184 291.3);

Tailwind

colors: {
  custom: {
    50: '#9777d1',
    500: '#6440bc',
    950: '#000000',
  },
}

SCSS

$custom: #6440bc;
$custom-light: #9777d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6440bc",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 257.419,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48367,
    "c": 0.18446,
    "h": 291.3
  },
  "luminance": 0.10007
}

Semantic roles & 50–950 ramp

primary

#6440BC

secondary

#B8C98F

accent

#D94FB1

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6440BC

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

Preview Lab → · Contrast checker → · Palette generator →