#645DC0#645DC0

#645DC0 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.5% C 0.150 H 283.3°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#645DC0
RGB	rgb(100, 93, 192)
HSL	hsl(244, 44%, 56%)
HSV	hsv(244, 52%, 75%)
CMYK	cmyk(47.9%, 51.6%, 0%, 24.7%)
CIE-LAB	lab(44.72, 28.98, -51.28)
CIE-LCH	lch(44.72, 58.91, 299.47°)
OKLab	oklab(53.51% 0.0345 -0.146)
OKLCH	oklch(53.51% 0.15 283.3)
XYZ	xyz(18.6815, 14.3429, 51.6430)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DC0 #B9C05D

analogous

#5D87C0 #645DC0 #955DC0

triadic

#645DC0 #C0645D #5DC064

tetradic

#645DC0 #C05D87 #B9C05D #5DC095

square

#645DC0 #C05D87 #B9C05D #5DC095

split-complementary

#645DC0 #C0955D #87C05D

monochromatic

#332E75 #463FA1 #645DC0 #8E89D1 #B8B5E2

Accessibility & contrast

On white

5.43

#645DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#645DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DC0

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DC0	#FFFFFF	#000000	##FFFFFF
##645DC0	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6DC3

Deuteranopia (green-blind)

#2867BE

Tritanopia (blue-blind)

#447286

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #645dc0;
/* rgb */ color: rgb(100, 93, 192);
/* oklch */ color: oklch(53.5% 0.150 283.3);

Tailwind

colors: {
  custom: {
    50: '#968bd4',
    500: '#645dc0',
    950: '#000000',
  },
}

SCSS

$custom: #645dc0;
$custom-light: #968bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#645dc0",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 192
  },
  "hsl": {
    "h": 244.242,
    "s": 44,
    "l": 55.882
  },
  "oklch": {
    "l": 0.53507,
    "c": 0.15005,
    "h": 283.3
  },
  "luminance": 0.14344
}

Semantic roles & 50–950 ramp

primary

#645DC0

secondary

#CED1A8

accent

#D454CB

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #645DC0

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

Preview Lab → · Contrast checker → · Palette generator →