#645FC2#645FC2

#645FC2 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.0% C 0.150 H 282.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#645FC2
RGB	rgb(100, 95, 194)
HSL	hsl(243, 45%, 57%)
HSV	hsv(243, 51%, 76%)
CMYK	cmyk(48.5%, 51%, 0%, 23.9%)
CIE-LAB	lab(45.34, 28.37, -51.44)
CIE-LCH	lch(45.34, 58.75, 298.88°)
OKLab	oklab(54.01% 0.0323 -0.1465)
OKLCH	oklch(54.01% 0.15 282.4)
XYZ	xyz(19.0824, 14.7878, 52.8773)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FC2 #BDC25F

analogous

#5F8CC2 #645FC2 #965FC2

triadic

#645FC2 #C2645F #5FC264

tetradic

#645FC2 #C25F8C #BDC25F #5FC296

square

#645FC2 #C25F8C #BDC25F #5FC296

split-complementary

#645FC2 #C2965F #8CC25F

monochromatic

#322E79 #443FA5 #645FC2 #8F8BD3 #BAB8E4

Accessibility & contrast

On white

5.31

#645FC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#645FC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FC2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FC2	#FFFFFF	#000000	##FFFFFF
##645FC2	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306FC6

Deuteranopia (green-blind)

#2968C0

Tritanopia (blue-blind)

#427487

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #645fc2;
/* rgb */ color: rgb(100, 95, 194);
/* oklch */ color: oklch(54.0% 0.150 282.4);

Tailwind

colors: {
  custom: {
    50: '#968cd5',
    500: '#645fc2',
    950: '#000000',
  },
}

SCSS

$custom: #645fc2;
$custom-light: #968cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#645fc2",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 194
  },
  "hsl": {
    "h": 243.03,
    "s": 44.796,
    "l": 56.667
  },
  "oklch": {
    "l": 0.54013,
    "c": 0.15001,
    "h": 282.4
  },
  "luminance": 0.14789
}

Semantic roles & 50–950 ramp

primary

#645FC2

secondary

#D1D3AA

accent

#D453CE

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #645FC2

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

Preview Lab → · Contrast checker → · Palette generator →