#6440BE#6440BE

#6440BE is a mid, vivid violet. Relative luminance 0.101; OKLCH L 48.5% C 0.187 H 290.9°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#6440BE
RGB	rgb(100, 64, 190)
HSL	hsl(257, 50%, 50%)
HSV	hsv(257, 66%, 75%)
CMYK	cmyk(47.4%, 66.3%, 0%, 25.5%)
CIE-LAB	lab(38.01, 45.45, -60.97)
CIE-LCH	lch(38.01, 76.04, 306.71°)
OKLab	oklab(48.53% 0.0667 -0.1746)
OKLCH	oklch(48.53% 0.187 290.9)
XYZ	xyz(16.3806, 10.0932, 49.7903)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.40

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6440BE #9ABE40

analogous

#405BBE #6440BE #A340BE

triadic

#6440BE #BE6440 #40BE64

tetradic

#6440BE #BE405B #9ABE40 #40BEA3

square

#6440BE #BE405B #9ABE40 #40BEA3

split-complementary

#6440BE #BEA340 #5BBE40

monochromatic

#342162 #4C3190 #6440BE #896DCE #AE9BDD

Accessibility & contrast

On white

6.96

#6440BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#6440BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440BE

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440BE	#FFFFFF	#000000	##FFFFFF
##6440BE	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC2

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#485F79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6440be;
/* rgb */ color: rgb(100, 64, 190);
/* oklch */ color: oklch(48.5% 0.187 290.9);

Tailwind

colors: {
  custom: {
    50: '#9877d2',
    500: '#6440be',
    950: '#000000',
  },
}

SCSS

$custom: #6440be;
$custom-light: #9877d2;
$custom-dark: #000000;

JSON

{
  "hex": "#6440be",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 190
  },
  "hsl": {
    "h": 257.143,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48527,
    "c": 0.1869,
    "h": 290.9
  },
  "luminance": 0.10094
}

Semantic roles & 50–950 ramp

primary

#6440BE

secondary

#B9C990

accent

#D94FB2

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0914

muted

#7E7B83

Preview Lab

Preview with #6440BE

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

Preview Lab → · Contrast checker → · Palette generator →