#645DE0#645DE0

#645DE0 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.8% C 0.193 H 280.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#645DE0
RGB	rgb(100, 93, 224)
HSL	hsl(243, 68%, 62%)
HSV	hsv(243, 58%, 88%)
CMYK	cmyk(55.4%, 58.5%, 0%, 12.2%)
CIE-LAB	lab(46.87, 38.87, -66.16)
CIE-LCH	lch(46.87, 76.74, 300.44°)
OKLab	oklab(55.79% 0.0352 -0.1898)
OKLCH	oklch(55.79% 0.193 280.5)
XYZ	xyz(22.6202, 15.9184, 72.3872)
Luminance	0.1592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DE0 #D9E05D

analogous

#5D98E0 #645DE0 #A65DE0

triadic

#645DE0 #E0645D #5DE064

tetradic

#645DE0 #E05D98 #D9E05D #5DE0A6

square

#645DE0 #E05D98 #D9E05D #5DE0A6

split-complementary

#645DE0 #E0A65D #98E05D

monochromatic

#261FA3 #332AD6 #645DE0 #9590EA #C6C4F4

Accessibility & contrast

On white

5.02

#645DE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#645DE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DE0

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DE0	#FFFFFF	#000000	##FFFFFF
##645DE0	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E4

Deuteranopia (green-blind)

#006ADD

Tritanopia (blue-blind)

#257C96

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #645de0;
/* rgb */ color: rgb(100, 93, 224);
/* oklch */ color: oklch(55.8% 0.193 280.5);

Tailwind

colors: {
  custom: {
    50: '#9a8beb',
    500: '#645de0',
    950: '#000000',
  },
}

SCSS

$custom: #645de0;
$custom-light: #9a8beb;
$custom-dark: #000000;

JSON

{
  "hex": "#645de0",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 224
  },
  "hsl": {
    "h": 243.206,
    "s": 67.876,
    "l": 62.157
  },
  "oklch": {
    "l": 0.55785,
    "c": 0.19304,
    "h": 280.5
  },
  "luminance": 0.1592
}

Semantic roles & 50–950 ramp

primary

#645DE0

secondary

#E2E4B4

accent

#D016C6

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645DE0

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

Preview Lab → · Contrast checker → · Palette generator →