#645AE8#645AE8

#645AE8 is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 55.9% C 0.207 H 280.5°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#645AE8
RGB	rgb(100, 90, 232)
HSL	hsl(244, 76%, 63%)
HSV	hsv(244, 61%, 91%)
CMYK	cmyk(56.9%, 61.2%, 0%, 9%)
CIE-LAB	lab(46.77, 43.13, -70.84)
CIE-LCH	lch(46.77, 82.94, 301.33°)
OKLab	oklab(55.9% 0.0377 -0.2036)
OKLCH	oklch(55.9% 0.207 280.5)
XYZ	xyz(23.4726, 15.8463, 78.1500)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AE8 #DEE85A

analogous

#5A97E8 #645AE8 #AB5AE8

triadic

#645AE8 #E8645A #5AE864

tetradic

#645AE8 #E85A97 #DEE85A #5AE8AB

square

#645AE8 #E85A97 #DEE85A #5AE8AB

split-complementary

#645AE8 #E8AB5A #97E85A

monochromatic

#2318AF #3224E1 #645AE8 #9690EF #C9C5F7

Accessibility & contrast

On white

5.04

#645AE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#645AE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AE8

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AE8	#FFFFFF	#000000	##FFFFFF
##645AE8	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074ED

Deuteranopia (green-blind)

#006AE5

Tritanopia (blue-blind)

#167D99

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645ae8;
/* rgb */ color: rgb(100, 90, 232);
/* oklch */ color: oklch(55.9% 0.207 280.5);

Tailwind

colors: {
  custom: {
    50: '#9c89f0',
    500: '#645ae8',
    950: '#000000',
  },
}

SCSS

$custom: #645ae8;
$custom-light: #9c89f0;
$custom-dark: #000000;

JSON

{
  "hex": "#645ae8",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 232
  },
  "hsl": {
    "h": 244.225,
    "s": 75.532,
    "l": 63.137
  },
  "oklch": {
    "l": 0.559,
    "c": 0.20703,
    "h": 280.5
  },
  "luminance": 0.15848
}

Semantic roles & 50–950 ramp

primary

#645AE8

secondary

#E5E8B5

accent

#D80EC9

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #645AE8

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

Preview Lab → · Contrast checker → · Palette generator →