#645AED#645AED

#645AED is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.3% C 0.213 H 280.1°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#645AED
RGB	rgb(100, 90, 237)
HSL	hsl(244, 80%, 64%)
HSV	hsv(244, 62%, 93%)
CMYK	cmyk(57.8%, 62%, 0%, 7.1%)
CIE-LAB	lab(47.15, 44.67, -73.04)
CIE-LCH	lch(47.15, 85.62, 301.45°)
OKLab	oklab(56.29% 0.0374 -0.21)
OKLCH	oklch(56.29% 0.213 280.1)
XYZ	xyz(24.1929, 16.1344, 81.9437)
Luminance	0.1614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AED #E3ED5A

analogous

#5A9AED #645AED #AE5AED

triadic

#645AED #ED645A #5AED64

tetradic

#645AED #ED5A9A #E3ED5A #5AEDAE

square

#645AED #ED5A9A #E3ED5A #5AEDAE

split-complementary

#645AED #EDAE5A #9AED5A

monochromatic

#1F14B8 #3023E7 #645AED #9891F3 #CCC8F9

Accessibility & contrast

On white

4.97

#645AED on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#645AED on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AED

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AED	#FFFFFF	#000000	##FFFFFF
##645AED	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F2

Deuteranopia (green-blind)

#006AEA

Tritanopia (blue-blind)

#027E9B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #645aed;
/* rgb */ color: rgb(100, 90, 237);
/* oklch */ color: oklch(56.3% 0.213 280.1);

Tailwind

colors: {
  custom: {
    50: '#9c89f4',
    500: '#645aed',
    950: '#000000',
  },
}

SCSS

$custom: #645aed;
$custom-light: #9c89f4;
$custom-dark: #000000;

JSON

{
  "hex": "#645aed",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 237
  },
  "hsl": {
    "h": 244.082,
    "s": 80.328,
    "l": 64.118
  },
  "oklch": {
    "l": 0.56294,
    "c": 0.21334,
    "h": 280.1
  },
  "luminance": 0.16136
}

Semantic roles & 50–950 ramp

primary

#645AED

secondary

#E8EBB8

accent

#DD09CE

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #645AED

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

Preview Lab → · Contrast checker → · Palette generator →