#645AD2#645AD2

#645AD2 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.2% C 0.179 H 282.4°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#645AD2
RGB	rgb(100, 90, 210)
HSL	hsl(245, 57%, 59%)
HSV	hsv(245, 57%, 82%)
CMYK	cmyk(52.4%, 57.1%, 0%, 17.6%)
CIE-LAB	lab(45.18, 36.33, -60.91)
CIE-LCH	lch(45.18, 70.92, 300.81°)
OKLab	oklab(54.23% 0.0384 -0.1744)
OKLCH	oklch(54.23% 0.179 282.4)
XYZ	xyz(20.5410, 14.6736, 62.7102)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AD2 #C8D25A

analogous

#5A8CD2 #645AD2 #A05AD2

triadic

#645AD2 #D2645A #5AD264

tetradic

#645AD2 #D25A8C #C8D25A #5AD2A0

square

#645AD2 #D25A8C #C8D25A #5AD2A0

split-complementary

#645AD2 #D2A05A #8CD25A

monochromatic

#2F268C #3F33BC #645AD2 #918ADF #BEBAEC

Accessibility & contrast

On white

5.34

#645AD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#645AD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AD2

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AD2	#FFFFFF	#000000	##FFFFFF
##645AD2	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0067CF

Tritanopia (blue-blind)

#36768D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #645ad2;
/* rgb */ color: rgb(100, 90, 210);
/* oklch */ color: oklch(54.2% 0.179 282.4);

Tailwind

colors: {
  custom: {
    50: '#9989e1',
    500: '#645ad2',
    950: '#000000',
  },
}

SCSS

$custom: #645ad2;
$custom-light: #9989e1;
$custom-dark: #000000;

JSON

{
  "hex": "#645ad2",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 210
  },
  "hsl": {
    "h": 245,
    "s": 57.143,
    "l": 58.824
  },
  "oklch": {
    "l": 0.5423,
    "c": 0.17856,
    "h": 282.4
  },
  "luminance": 0.14675
}

Semantic roles & 50–950 ramp

primary

#645AD2

secondary

#D8DCAC

accent

#E047D4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #645AD2

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

Preview Lab → · Contrast checker → · Palette generator →