#645EDA#645EDA

#645EDA is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.5% C 0.184 H 280.7°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#645EDA
RGB	rgb(100, 94, 218)
HSL	hsl(243, 63%, 61%)
HSV	hsv(243, 57%, 85%)
CMYK	cmyk(54.1%, 56.9%, 0%, 14.5%)
CIE-LAB	lab(46.68, 36.41, -63.06)
CIE-LCH	lch(46.68, 72.82, 300.00°)
OKLab	oklab(55.51% 0.0343 -0.1807)
OKLCH	oklch(55.51% 0.184 280.7)
XYZ	xyz(21.9092, 15.7753, 68.2065)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EDA #D4DA5E

analogous

#5E96DA #645EDA #A25EDA

triadic

#645EDA #DA645E #5EDA64

tetradic

#645EDA #DA5E96 #D4DA5E #5EDAA2

square

#645EDA #DA5E96 #D4DA5E #5EDAA2

split-complementary

#645EDA #DAA25E #96DA5E

monochromatic

#29239A #362FCC #645EDA #9490E5 #C4C2F1

Accessibility & contrast

On white

5.05

#645EDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#645EDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EDA

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EDA	#FFFFFF	#000000	##FFFFFF
##645EDA	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DE

Deuteranopia (green-blind)

#006AD7

Tritanopia (blue-blind)

#2D7B93

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645eda;
/* rgb */ color: rgb(100, 94, 218);
/* oklch */ color: oklch(55.5% 0.184 280.7);

Tailwind

colors: {
  custom: {
    50: '#998ce6',
    500: '#645eda',
    950: '#000000',
  },
}

SCSS

$custom: #645eda;
$custom-light: #998ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#645eda",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 218
  },
  "hsl": {
    "h": 242.903,
    "s": 62.626,
    "l": 61.176
  },
  "oklch": {
    "l": 0.55512,
    "c": 0.18389,
    "h": 280.7
  },
  "luminance": 0.15777
}

Semantic roles & 50–950 ramp

primary

#645EDA

secondary

#DFE1B3

accent

#CA1BC2

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645EDA

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

Preview Lab → · Contrast checker → · Palette generator →