#645CE8#645CE8

#645CE8 is a mid, highly saturated blue. Relative luminance 0.162; OKLCH L 56.2% C 0.205 H 280.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#645CE8
RGB	rgb(100, 92, 232)
HSL	hsl(243, 75%, 64%)
HSV	hsv(243, 60%, 91%)
CMYK	cmyk(56.9%, 60.3%, 0%, 9%)
CIE-LAB	lab(47.22, 41.96, -70.11)
CIE-LCH	lch(47.22, 81.71, 300.90°)
OKLab	oklab(56.23% 0.0359 -0.2014)
OKLCH	oklch(56.23% 0.205 280.1)
XYZ	xyz(23.6436, 16.1882, 78.2070)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645CE8 #E0E85C

analogous

#5C9AE8 #645CE8 #AA5CE8

triadic

#645CE8 #E8645C #5CE864

tetradic

#645CE8 #E85C9A #E0E85C #5CE8AA

square

#645CE8 #E85C9A #E0E85C #5CE8AA

split-complementary

#645CE8 #E8AA5C #9AE85C

monochromatic

#2219B1 #3126E0 #645CE8 #9792F0 #CAC7F7

Accessibility & contrast

On white

4.96

#645CE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#645CE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645CE8

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645CE8	#FFFFFF	#000000	##FFFFFF
##645CE8	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075ED

Deuteranopia (green-blind)

#006BE5

Tritanopia (blue-blind)

#157E99

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #645ce8;
/* rgb */ color: rgb(100, 92, 232);
/* oklch */ color: oklch(56.2% 0.205 280.1);

Tailwind

colors: {
  custom: {
    50: '#9c8af0',
    500: '#645ce8',
    950: '#000000',
  },
}

SCSS

$custom: #645ce8;
$custom-light: #9c8af0;
$custom-dark: #000000;

JSON

{
  "hex": "#645ce8",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 232
  },
  "hsl": {
    "h": 243.429,
    "s": 75.269,
    "l": 63.529
  },
  "oklch": {
    "l": 0.56228,
    "c": 0.20459,
    "h": 280.1
  },
  "luminance": 0.1619
}

Semantic roles & 50–950 ramp

primary

#645CE8

secondary

#E6E9B7

accent

#D70ECC

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645CE8

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

Preview Lab → · Contrast checker → · Palette generator →