#645EC2#645EC2

#645EC2 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.8% C 0.151 H 282.8°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#645EC2
RGB	rgb(100, 94, 194)
HSL	hsl(244, 45%, 56%)
HSV	hsv(244, 52%, 76%)
CMYK	cmyk(48.5%, 51.5%, 0%, 23.9%)
CIE-LAB	lab(45.09, 28.98, -51.84)
CIE-LCH	lch(45.09, 59.39, 299.21°)
OKLab	oklab(53.83% 0.0334 -0.1477)
OKLCH	oklch(53.83% 0.151 282.8)
XYZ	xyz(18.9929, 14.6088, 52.8475)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EC2 #BCC25E

analogous

#5E8AC2 #645EC2 #965EC2

triadic

#645EC2 #C2645E #5EC264

tetradic

#645EC2 #C25E8A #BCC25E #5EC296

square

#645EC2 #C25E8A #BCC25E #5EC296

split-complementary

#645EC2 #C2965E #8AC25E

monochromatic

#322E78 #443EA4 #645EC2 #8F8AD3 #B9B7E4

Accessibility & contrast

On white

5.35

#645EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#645EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EC2

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EC2	#FFFFFF	#000000	##FFFFFF
##645EC2	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6EC6

Deuteranopia (green-blind)

#2767C0

Tritanopia (blue-blind)

#427487

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #645ec2;
/* rgb */ color: rgb(100, 94, 194);
/* oklch */ color: oklch(53.8% 0.151 282.8);

Tailwind

colors: {
  custom: {
    50: '#968bd5',
    500: '#645ec2',
    950: '#000000',
  },
}

SCSS

$custom: #645ec2;
$custom-light: #968bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#645ec2",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 194
  },
  "hsl": {
    "h": 243.6,
    "s": 45.045,
    "l": 56.471
  },
  "oklch": {
    "l": 0.53826,
    "c": 0.15142,
    "h": 282.8
  },
  "luminance": 0.1461
}

Semantic roles & 50–950 ramp

primary

#645EC2

secondary

#D0D2A9

accent

#D553CD

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #645EC2

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

Preview Lab → · Contrast checker → · Palette generator →