#645AEA#645AEA

#645AEA is a mid, highly saturated blue. Relative luminance 0.160; OKLCH L 56.1% C 0.210 H 280.3°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#645AEA
RGB	rgb(100, 90, 234)
HSL	hsl(244, 77%, 64%)
HSV	hsv(244, 62%, 92%)
CMYK	cmyk(57.3%, 61.5%, 0%, 8.2%)
CIE-LAB	lab(46.92, 43.75, -71.72)
CIE-LCH	lch(46.92, 84.01, 301.38°)
OKLab	oklab(56.06% 0.0376 -0.2062)
OKLCH	oklch(56.06% 0.21 280.3)
XYZ	xyz(23.7583, 15.9606, 79.6547)
Luminance	0.1596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AEA #E0EA5A

analogous

#5A98EA #645AEA #AC5AEA

triadic

#645AEA #EA645A #5AEA64

tetradic

#645AEA #EA5A98 #E0EA5A #5AEAAC

square

#645AEA #EA5A98 #E0EA5A #5AEAAC

split-complementary

#645AEA #EAAC5A #98EA5A

monochromatic

#2217B3 #3124E3 #645AEA #9790F1 #CAC7F8

Accessibility & contrast

On white

5.01

#645AEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#645AEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AEA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AEA	#FFFFFF	#000000	##FFFFFF
##645AEA	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075EF

Deuteranopia (green-blind)

#006AE7

Tritanopia (blue-blind)

#107D9A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645aea;
/* rgb */ color: rgb(100, 90, 234);
/* oklch */ color: oklch(56.1% 0.210 280.3);

Tailwind

colors: {
  custom: {
    50: '#9c89f2',
    500: '#645aea',
    950: '#000000',
  },
}

SCSS

$custom: #645aea;
$custom-light: #9c89f2;
$custom-dark: #000000;

JSON

{
  "hex": "#645aea",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 234
  },
  "hsl": {
    "h": 244.167,
    "s": 77.419,
    "l": 63.529
  },
  "oklch": {
    "l": 0.56057,
    "c": 0.20957,
    "h": 280.3
  },
  "luminance": 0.15962
}

Semantic roles & 50–950 ramp

primary

#645AEA

secondary

#E6E9B6

accent

#DA0CCB

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #645AEA

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

Preview Lab → · Contrast checker → · Palette generator →