#645EDC#645EDC

#645EDC is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.7% C 0.187 H 280.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#645EDC
RGB	rgb(100, 94, 220)
HSL	hsl(243, 64%, 62%)
HSV	hsv(243, 57%, 86%)
CMYK	cmyk(54.5%, 57.3%, 0%, 13.7%)
CIE-LAB	lab(46.82, 37.03, -63.97)
CIE-LCH	lch(46.82, 73.92, 300.06°)
OKLab	oklab(55.66% 0.0343 -0.1834)
OKLCH	oklch(55.66% 0.187 280.6)
XYZ	xyz(22.1725, 15.8806, 69.5932)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EDC #D6DC5E

analogous

#5E97DC #645EDC #A35EDC

triadic

#645EDC #DC645E #5EDC64

tetradic

#645EDC #DC5E97 #D6DC5E #5EDCA3

square

#645EDC #DC5E97 #D6DC5E #5EDCA3

split-complementary

#645EDC #DCA35E #97DC5E

monochromatic

#28229D #352DD0 #645EDC #9490E7 #C5C3F2

Accessibility & contrast

On white

5.03

#645EDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#645EDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EDC

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EDC	#FFFFFF	#000000	##FFFFFF
##645EDC	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E0

Deuteranopia (green-blind)

#006AD9

Tritanopia (blue-blind)

#2A7C94

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645edc;
/* rgb */ color: rgb(100, 94, 220);
/* oklch */ color: oklch(55.7% 0.187 280.6);

Tailwind

colors: {
  custom: {
    50: '#9a8ce8',
    500: '#645edc',
    950: '#000000',
  },
}

SCSS

$custom: #645edc;
$custom-light: #9a8ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#645edc",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 220
  },
  "hsl": {
    "h": 242.857,
    "s": 64.286,
    "l": 61.569
  },
  "oklch": {
    "l": 0.55659,
    "c": 0.18653,
    "h": 280.6
  },
  "luminance": 0.15882
}

Semantic roles & 50–950 ramp

primary

#645EDC

secondary

#E0E2B3

accent

#CC19C4

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645EDC

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

Preview Lab → · Contrast checker → · Palette generator →