#645CE2#645CE2

#645CE2 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.8% C 0.197 H 280.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#645CE2
RGB	rgb(100, 92, 226)
HSL	hsl(244, 70%, 62%)
HSV	hsv(244, 59%, 89%)
CMYK	cmyk(55.8%, 59.3%, 0%, 11.4%)
CIE-LAB	lab(46.78, 40.09, -67.44)
CIE-LCH	lch(46.78, 78.45, 300.73°)
OKLab	oklab(55.77% 0.0361 -0.1935)
OKLCH	oklch(55.77% 0.197 280.6)
XYZ	xyz(22.8059, 15.8531, 73.7950)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645CE2 #DAE25C

analogous

#5C97E2 #645CE2 #A75CE2

triadic

#645CE2 #E2645C #5CE264

tetradic

#645CE2 #E25C97 #DAE25C #5CE2A7

square

#645CE2 #E25C97 #DAE25C #5CE2A7

split-complementary

#645CE2 #E2A75C #97E25C

monochromatic

#261EA6 #3328D9 #645CE2 #9590EB #C7C4F4

Accessibility & contrast

On white

5.03

#645CE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#645CE2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645CE2

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645CE2	#FFFFFF	#000000	##FFFFFF
##645CE2	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E6

Deuteranopia (green-blind)

#006ADF

Tritanopia (blue-blind)

#227C96

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645ce2;
/* rgb */ color: rgb(100, 92, 226);
/* oklch */ color: oklch(55.8% 0.197 280.6);

Tailwind

colors: {
  custom: {
    50: '#9b8aec',
    500: '#645ce2',
    950: '#000000',
  },
}

SCSS

$custom: #645ce2;
$custom-light: #9b8aec;
$custom-dark: #000000;

JSON

{
  "hex": "#645ce2",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 226
  },
  "hsl": {
    "h": 243.582,
    "s": 69.792,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55767,
    "c": 0.19689,
    "h": 280.6
  },
  "luminance": 0.15855
}

Semantic roles & 50–950 ramp

primary

#645CE2

secondary

#E2E5B4

accent

#D214C6

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645CE2

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

Preview Lab → · Contrast checker → · Palette generator →