#645DE2#645DE2

#645DE2 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.9% C 0.196 H 280.4°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#645DE2
RGB	rgb(100, 93, 226)
HSL	hsl(243, 70%, 63%)
HSV	hsv(243, 59%, 89%)
CMYK	cmyk(55.8%, 58.8%, 0%, 11.4%)
CIE-LAB	lab(47.01, 39.50, -67.06)
CIE-LCH	lch(47.01, 77.83, 300.50°)
OKLab	oklab(55.94% 0.0352 -0.1924)
OKLCH	oklch(55.94% 0.196 280.4)
XYZ	xyz(22.8931, 16.0275, 73.8240)
Luminance	0.1603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DE2 #DBE25D

analogous

#5D98E2 #645DE2 #A75DE2

triadic

#645DE2 #E2645D #5DE264

tetradic

#645DE2 #E25D98 #DBE25D #5DE2A7

square

#645DE2 #E25D98 #DBE25D #5DE2A7

split-complementary

#645DE2 #E2A75D #98E25D

monochromatic

#251EA7 #3229D9 #645DE2 #9691EB #C7C5F5

Accessibility & contrast

On white

4.99

#645DE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#645DE2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DE2

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DE2	#FFFFFF	#000000	##FFFFFF
##645DE2	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E6

Deuteranopia (green-blind)

#006ADF

Tritanopia (blue-blind)

#227D97

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645de2;
/* rgb */ color: rgb(100, 93, 226);
/* oklch */ color: oklch(55.9% 0.196 280.4);

Tailwind

colors: {
  custom: {
    50: '#9b8bec',
    500: '#645de2',
    950: '#000000',
  },
}

SCSS

$custom: #645de2;
$custom-light: #9b8bec;
$custom-dark: #000000;

JSON

{
  "hex": "#645de2",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 226
  },
  "hsl": {
    "h": 243.158,
    "s": 69.634,
    "l": 62.549
  },
  "oklch": {
    "l": 0.55936,
    "c": 0.19563,
    "h": 280.4
  },
  "luminance": 0.16029
}

Semantic roles & 50–950 ramp

primary

#645DE2

secondary

#E3E6B5

accent

#D214C8

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645DE2

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

Preview Lab → · Contrast checker → · Palette generator →