#645AE2#645AE2

#645AE2 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.4% C 0.199 H 281.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#645AE2
RGB	rgb(100, 90, 226)
HSL	hsl(244, 70%, 62%)
HSV	hsv(244, 60%, 89%)
CMYK	cmyk(55.8%, 60.2%, 0%, 11.4%)
CIE-LAB	lab(46.33, 41.27, -68.17)
CIE-LCH	lch(46.33, 79.69, 301.19°)
OKLab	oklab(55.43% 0.038 -0.1957)
OKLCH	oklch(55.43% 0.199 281)
XYZ	xyz(22.6349, 15.5112, 73.7380)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AE2 #D8E25A

analogous

#5A94E2 #645AE2 #A85AE2

triadic

#645AE2 #E2645A #5AE264

tetradic

#645AE2 #E25A94 #D8E25A #5AE2A8

square

#645AE2 #E25A94 #D8E25A #5AE2A8

split-complementary

#645AE2 #E2A85A #94E25A

monochromatic

#271DA5 #3326D9 #645AE2 #958EEB #C6C2F4

Accessibility & contrast

On white

5.12

#645AE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#645AE2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AE2

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AE2	#FFFFFF	#000000	##FFFFFF
##645AE2	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E6

Deuteranopia (green-blind)

#0069DF

Tritanopia (blue-blind)

#227B95

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #645ae2;
/* rgb */ color: rgb(100, 90, 226);
/* oklch */ color: oklch(55.4% 0.199 281.0);

Tailwind

colors: {
  custom: {
    50: '#9b89ec',
    500: '#645ae2',
    950: '#000000',
  },
}

SCSS

$custom: #645ae2;
$custom-light: #9b89ec;
$custom-dark: #000000;

JSON

{
  "hex": "#645ae2",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 226
  },
  "hsl": {
    "h": 244.412,
    "s": 70.103,
    "l": 61.961
  },
  "oklch": {
    "l": 0.55433,
    "c": 0.1994,
    "h": 281
  },
  "luminance": 0.15513
}

Semantic roles & 50–950 ramp

primary

#645AE2

secondary

#E1E5B3

accent

#D213C4

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #645AE2

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

Preview Lab → · Contrast checker → · Palette generator →