#645AE4#645AE4

#645AE4 is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.6% C 0.202 H 280.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#645AE4
RGB	rgb(100, 90, 228)
HSL	hsl(244, 72%, 62%)
HSV	hsv(244, 61%, 89%)
CMYK	cmyk(56.1%, 60.5%, 0%, 10.6%)
CIE-LAB	lab(46.47, 41.89, -69.07)
CIE-LCH	lch(46.47, 80.78, 301.24°)
OKLab	oklab(55.59% 0.0379 -0.1984)
OKLCH	oklch(55.59% 0.202 280.8)
XYZ	xyz(22.9109, 15.6216, 75.1917)
Luminance	0.1562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AE4 #DAE45A

analogous

#5A95E4 #645AE4 #A95AE4

triadic

#645AE4 #E4645A #5AE464

tetradic

#645AE4 #E45A95 #DAE45A #5AE4A9

square

#645AE4 #E45A95 #DAE45A #5AE4A9

split-complementary

#645AE4 #E4A95A #95E45A

monochromatic

#261CA8 #3325DB #645AE4 #958FED #C7C3F5

Accessibility & contrast

On white

5.09

#645AE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#645AE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AE4

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AE4	#FFFFFF	#000000	##FFFFFF
##645AE4	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E8

Deuteranopia (green-blind)

#0069E1

Tritanopia (blue-blind)

#1F7B96

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #645ae4;
/* rgb */ color: rgb(100, 90, 228);
/* oklch */ color: oklch(55.6% 0.202 280.8);

Tailwind

colors: {
  custom: {
    50: '#9b89ed',
    500: '#645ae4',
    950: '#000000',
  },
}

SCSS

$custom: #645ae4;
$custom-light: #9b89ed;
$custom-dark: #000000;

JSON

{
  "hex": "#645ae4",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 228
  },
  "hsl": {
    "h": 244.348,
    "s": 71.875,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55588,
    "c": 0.20195,
    "h": 280.8
  },
  "luminance": 0.15623
}

Semantic roles & 50–950 ramp

primary

#645AE4

secondary

#E2E6B4

accent

#D412C6

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #645AE4

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

Preview Lab → · Contrast checker → · Palette generator →