#645AF2#645AF2

#645AF2 is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.7% C 0.220 H 279.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#645AF2
RGB	rgb(100, 90, 242)
HSL	hsl(244, 85%, 65%)
HSV	hsv(244, 63%, 95%)
CMYK	cmyk(58.7%, 62.8%, 0%, 5.1%)
CIE-LAB	lab(47.53, 46.22, -75.22)
CIE-LCH	lch(47.53, 88.29, 301.57°)
OKLab	oklab(56.69% 0.037 -0.2164)
OKLCH	oklch(56.69% 0.22 279.7)
XYZ	xyz(24.9336, 16.4307, 85.8447)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AF2 #E8F25A

analogous

#5A9CF2 #645AF2 #B05AF2

triadic

#645AF2 #F2645A #5AF264

tetradic

#645AF2 #F25A9C #E8F25A #5AF2B0

square

#645AF2 #F25A9C #E8F25A #5AF2B0

split-complementary

#645AF2 #F2B05A #9CF25A

monochromatic

#1B0FC2 #2F21EE #645AF2 #9993F6 #CFCBFB

Accessibility & contrast

On white

4.90

#645AF2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#645AF2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AF2

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AF2	#FFFFFF	#000000	##FFFFFF
##645AF2	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F7

Deuteranopia (green-blind)

#006BEF

Tritanopia (blue-blind)

#00809E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #645af2;
/* rgb */ color: rgb(100, 90, 242);
/* oklch */ color: oklch(56.7% 0.220 279.7);

Tailwind

colors: {
  custom: {
    50: '#9d89f7',
    500: '#645af2',
    950: '#000000',
  },
}

SCSS

$custom: #645af2;
$custom-light: #9d89f7;
$custom-dark: #000000;

JSON

{
  "hex": "#645af2",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 242
  },
  "hsl": {
    "h": 243.947,
    "s": 85.393,
    "l": 65.098
  },
  "oklch": {
    "l": 0.56695,
    "c": 0.21958,
    "h": 279.7
  },
  "luminance": 0.16432
}

Semantic roles & 50–950 ramp

primary

#645AF2

secondary

#EAEEBA

accent

#E204D3

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #645AF2

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

Preview Lab → · Contrast checker → · Palette generator →