#645ED6#645ED6

#645ED6 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 55.2% C 0.179 H 281.1°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#645ED6
RGB	rgb(100, 94, 214)
HSL	hsl(243, 59%, 60%)
HSV	hsv(243, 56%, 84%)
CMYK	cmyk(53.3%, 56.1%, 0%, 16.1%)
CIE-LAB	lab(46.40, 35.16, -61.23)
CIE-LCH	lch(46.40, 70.60, 299.87°)
OKLab	oklab(55.22% 0.0342 -0.1753)
OKLCH	oklch(55.22% 0.179 281.1)
XYZ	xyz(21.3921, 15.5685, 65.4831)
Luminance	0.1557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645ED6 #D0D65E

analogous

#5E94D6 #645ED6 #A05ED6

triadic

#645ED6 #D6645E #5ED664

tetradic

#645ED6 #D65E94 #D0D65E #5ED6A0

square

#645ED6 #D65E94 #D0D65E #5ED6A0

split-complementary

#645ED6 #D6A05E #94D65E

monochromatic

#2B2694 #3932C5 #645ED6 #938FE2 #C2C0EF

Accessibility & contrast

On white

5.10

#645ED6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#645ED6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645ED6

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645ED6	#FFFFFF	#000000	##FFFFFF
##645ED6	1.00	5.10	4.11	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DA

Deuteranopia (green-blind)

#006AD3

Tritanopia (blue-blind)

#317A91

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #645ed6;
/* rgb */ color: rgb(100, 94, 214);
/* oklch */ color: oklch(55.2% 0.179 281.1);

Tailwind

colors: {
  custom: {
    50: '#998ce3',
    500: '#645ed6',
    950: '#000000',
  },
}

SCSS

$custom: #645ed6;
$custom-light: #998ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#645ed6",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 214
  },
  "hsl": {
    "h": 243,
    "s": 59.406,
    "l": 60.392
  },
  "oklch": {
    "l": 0.55221,
    "c": 0.17859,
    "h": 281.1
  },
  "luminance": 0.1557
}

Semantic roles & 50–950 ramp

primary

#645ED6

secondary

#DDDFB1

accent

#C71EBF

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #645ED6

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

Preview Lab → · Contrast checker → · Palette generator →