#645FE0#645FE0

#645FE0 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 56.1% C 0.190 H 280.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#645FE0
RGB	rgb(100, 95, 224)
HSL	hsl(242, 68%, 63%)
HSV	hsv(242, 58%, 88%)
CMYK	cmyk(55.4%, 57.6%, 0%, 12.2%)
CIE-LAB	lab(47.33, 37.68, -65.41)
CIE-LCH	lch(47.33, 75.49, 299.95°)
OKLab	oklab(56.13% 0.0332 -0.1876)
OKLCH	oklch(56.13% 0.19 280)
XYZ	xyz(22.7981, 16.2741, 72.4464)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FE0 #DBE05F

analogous

#5F9AE0 #645FE0 #A55FE0

triadic

#645FE0 #E0645F #5FE064

tetradic

#645FE0 #E05F9A #DBE05F #5FE0A5

square

#645FE0 #E05F9A #DBE05F #5FE0A5

split-complementary

#645FE0 #E0A55F #9AE05F

monochromatic

#2520A5 #322CD6 #645FE0 #9692EA #C7C6F4

Accessibility & contrast

On white

4.94

#645FE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#645FE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FE0

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FE0	#FFFFFF	#000000	##FFFFFF
##645FE0	1.00	4.94	4.26	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E4

Deuteranopia (green-blind)

#006BDD

Tritanopia (blue-blind)

#247D96

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #645fe0;
/* rgb */ color: rgb(100, 95, 224);
/* oklch */ color: oklch(56.1% 0.190 280.0);

Tailwind

colors: {
  custom: {
    50: '#9a8ceb',
    500: '#645fe0',
    950: '#000000',
  },
}

SCSS

$custom: #645fe0;
$custom-light: #9a8ceb;
$custom-dark: #000000;

JSON

{
  "hex": "#645fe0",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 224
  },
  "hsl": {
    "h": 242.326,
    "s": 67.539,
    "l": 62.549
  },
  "oklch": {
    "l": 0.56129,
    "c": 0.19049,
    "h": 280
  },
  "luminance": 0.16276
}

Semantic roles & 50–950 ramp

primary

#645FE0

secondary

#E3E5B6

accent

#CF16C8

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645FE0

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

Preview Lab → · Contrast checker → · Palette generator →