#645EDE#645EDE

#645EDE is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.8% C 0.189 H 280.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#645EDE
RGB	rgb(100, 94, 222)
HSL	hsl(243, 66%, 62%)
HSV	hsv(243, 58%, 87%)
CMYK	cmyk(55%, 57.7%, 0%, 12.9%)
CIE-LAB	lab(46.96, 37.65, -64.88)
CIE-LCH	lch(46.96, 75.02, 300.13°)
OKLab	oklab(55.81% 0.0342 -0.186)
OKLCH	oklch(55.81% 0.189 280.4)
XYZ	xyz(22.4389, 15.9872, 70.9965)
Luminance	0.1599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EDE #D8DE5E

analogous

#5E98DE #645EDE #A45EDE

triadic

#645EDE #DE645E #5EDE64

tetradic

#645EDE #DE5E98 #D8DE5E #5EDEA4

square

#645EDE #DE5E98 #D8DE5E #5EDEA4

split-complementary

#645EDE #DEA45E #98DE5E

monochromatic

#2721A1 #332BD3 #645EDE #9591E8 #C6C4F3

Accessibility & contrast

On white

5.00

#645EDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#645EDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EDE

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EDE	#FFFFFF	#000000	##FFFFFF
##645EDE	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E2

Deuteranopia (green-blind)

#006BDB

Tritanopia (blue-blind)

#287C95

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645ede;
/* rgb */ color: rgb(100, 94, 222);
/* oklch */ color: oklch(55.8% 0.189 280.4);

Tailwind

colors: {
  custom: {
    50: '#9a8ce9',
    500: '#645ede',
    950: '#000000',
  },
}

SCSS

$custom: #645ede;
$custom-light: #9a8ce9;
$custom-dark: #000000;

JSON

{
  "hex": "#645ede",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 222
  },
  "hsl": {
    "h": 242.813,
    "s": 65.979,
    "l": 61.961
  },
  "oklch": {
    "l": 0.55807,
    "c": 0.18915,
    "h": 280.4
  },
  "luminance": 0.15989
}

Semantic roles & 50–950 ramp

primary

#645EDE

secondary

#E1E4B4

accent

#CE18C5

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645EDE

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

Preview Lab → · Contrast checker → · Palette generator →