#645DEB#645DEB

#645DEB is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.6% C 0.207 H 279.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#645DEB
RGB	rgb(100, 93, 235)
HSL	hsl(243, 78%, 64%)
HSV	hsv(243, 60%, 92%)
CMYK	cmyk(57.4%, 60.4%, 0%, 7.8%)
CIE-LAB	lab(47.67, 42.30, -71.07)
CIE-LCH	lch(47.67, 82.71, 300.76°)
OKLab	oklab(56.63% 0.0348 -0.2042)
OKLCH	oklch(56.63% 0.207 279.7)
XYZ	xyz(24.1605, 16.5345, 80.4995)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DEB #E4EB5D

analogous

#5D9DEB #645DEB #AB5DEB

triadic

#645DEB #EB645D #5DEB64

tetradic

#645DEB #EB5D9D #E4EB5D #5DEBAB

square

#645DEB #EB5D9D #E4EB5D #5DEBAB

split-complementary

#645DEB #EBAB5D #9DEB5D

monochromatic

#1F17B7 #3027E4 #645DEB #9893F2 #CCCAF8

Accessibility & contrast

On white

4.88

#645DEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#645DEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DEB

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DEB	#FFFFFF	#000000	##FFFFFF
##645DEB	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F0

Deuteranopia (green-blind)

#006CE8

Tritanopia (blue-blind)

#0A809B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #645deb;
/* rgb */ color: rgb(100, 93, 235);
/* oklch */ color: oklch(56.6% 0.207 279.7);

Tailwind

colors: {
  custom: {
    50: '#9c8bf2',
    500: '#645deb',
    950: '#000000',
  },
}

SCSS

$custom: #645deb;
$custom-light: #9c8bf2;
$custom-dark: #000000;

JSON

{
  "hex": "#645deb",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 235
  },
  "hsl": {
    "h": 242.958,
    "s": 78.022,
    "l": 64.314
  },
  "oklch": {
    "l": 0.56627,
    "c": 0.20719,
    "h": 279.7
  },
  "luminance": 0.16536
}

Semantic roles & 50–950 ramp

primary

#645DEB

secondary

#E8EBB9

accent

#DA0BD0

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645DEB

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

Preview Lab → · Contrast checker → · Palette generator →