#645ADE#645ADE

#645ADE is a mid, vivid blue. Relative luminance 0.153; OKLCH L 55.1% C 0.194 H 281.3°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#645ADE
RGB	rgb(100, 90, 222)
HSL	hsl(245, 67%, 61%)
HSV	hsv(245, 59%, 87%)
CMYK	cmyk(55%, 59.5%, 0%, 12.9%)
CIE-LAB	lab(46.03, 40.03, -66.38)
CIE-LCH	lch(46.03, 77.52, 301.09°)
OKLab	oklab(55.13% 0.0382 -0.1905)
OKLCH	oklch(55.13% 0.194 281.3)
XYZ	xyz(22.0924, 15.2942, 70.8810)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645ADE #D4DE5A

analogous

#5A92DE #645ADE #A65ADE

triadic

#645ADE #DE645A #5ADE64

tetradic

#645ADE #DE5A92 #D4DE5A #5ADEA6

square

#645ADE #DE5A92 #D4DE5A #5ADEA6

split-complementary

#645ADE #DEA65A #92DE5A

monochromatic

#29209E #362AD1 #645ADE #948DE8 #C4C0F2

Accessibility & contrast

On white

5.17

#645ADE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#645ADE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645ADE

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645ADE	#FFFFFF	#000000	##FFFFFF
##645ADE	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E2

Deuteranopia (green-blind)

#0068DB

Tritanopia (blue-blind)

#287A93

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #645ade;
/* rgb */ color: rgb(100, 90, 222);
/* oklch */ color: oklch(55.1% 0.194 281.3);

Tailwind

colors: {
  custom: {
    50: '#9a89e9',
    500: '#645ade',
    950: '#000000',
  },
}

SCSS

$custom: #645ade;
$custom-light: #9a89e9;
$custom-dark: #000000;

JSON

{
  "hex": "#645ade",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 222
  },
  "hsl": {
    "h": 244.545,
    "s": 66.667,
    "l": 61.176
  },
  "oklch": {
    "l": 0.55127,
    "c": 0.19425,
    "h": 281.3
  },
  "luminance": 0.15296
}

Semantic roles & 50–950 ramp

primary

#645ADE

secondary

#DFE3B1

accent

#CF17C1

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #645ADE

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

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