#645AE0#645AE0

#645AE0 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 55.3% C 0.197 H 281.2°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#645AE0
RGB	rgb(100, 90, 224)
HSL	hsl(244, 68%, 62%)
HSV	hsv(244, 60%, 88%)
CMYK	cmyk(55.4%, 59.8%, 0%, 12.2%)
CIE-LAB	lab(46.18, 40.65, -67.28)
CIE-LCH	lch(46.18, 78.61, 301.14°)
OKLab	oklab(55.28% 0.0381 -0.1931)
OKLCH	oklch(55.28% 0.197 281.2)
XYZ	xyz(22.3621, 15.4020, 72.3011)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AE0 #D6E05A

analogous

#5A93E0 #645AE0 #A75AE0

triadic

#645AE0 #E0645A #5AE064

tetradic

#645AE0 #E05A93 #D6E05A #5AE0A7

square

#645AE0 #E05A93 #D6E05A #5AE0A7

split-complementary

#645AE0 #E0A75A #93E05A

monochromatic

#281EA1 #3528D5 #645AE0 #948EEA #C5C1F3

Accessibility & contrast

On white

5.15

#645AE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#645AE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AE0

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AE0	#FFFFFF	#000000	##FFFFFF
##645AE0	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E4

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#257A94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #645ae0;
/* rgb */ color: rgb(100, 90, 224);
/* oklch */ color: oklch(55.3% 0.197 281.2);

Tailwind

colors: {
  custom: {
    50: '#9b89eb',
    500: '#645ae0',
    950: '#000000',
  },
}

SCSS

$custom: #645ae0;
$custom-light: #9b89eb;
$custom-dark: #000000;

JSON

{
  "hex": "#645ae0",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 224
  },
  "hsl": {
    "h": 244.478,
    "s": 68.367,
    "l": 61.569
  },
  "oklch": {
    "l": 0.55279,
    "c": 0.19682,
    "h": 281.2
  },
  "luminance": 0.15403
}

Semantic roles & 50–950 ramp

primary

#645AE0

secondary

#E0E4B2

accent

#D015C2

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #645AE0

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

Preview Lab → · Contrast checker → · Palette generator →