#645EE8#645EE8

#645EE8 is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.6% C 0.202 H 279.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#645EE8
RGB	rgb(100, 94, 232)
HSL	hsl(243, 75%, 64%)
HSV	hsv(243, 59%, 91%)
CMYK	cmyk(56.9%, 59.5%, 0%, 9%)
CIE-LAB	lab(47.67, 40.78, -69.37)
CIE-LCH	lch(47.67, 80.47, 300.45°)
OKLab	oklab(56.56% 0.034 -0.1992)
OKLCH	oklch(56.56% 0.202 279.7)
XYZ	xyz(23.8191, 16.5393, 78.2655)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EE8 #E2E85E

analogous

#5E9DE8 #645EE8 #A95EE8

triadic

#645EE8 #E8645E #5EE864

tetradic

#645EE8 #E85E9D #E2E85E #5EE8A9

square

#645EE8 #E85E9D #E2E85E #5EE8A9

split-complementary

#645EE8 #E8A95E #9DE85E

monochromatic

#2019B2 #3028E0 #645EE8 #9894F0 #CBC9F7

Accessibility & contrast

On white

4.87

#645EE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#645EE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EE8

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EE8	#FFFFFF	#000000	##FFFFFF
##645EE8	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076ED

Deuteranopia (green-blind)

#006CE5

Tritanopia (blue-blind)

#147F9A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #645ee8;
/* rgb */ color: rgb(100, 94, 232);
/* oklch */ color: oklch(56.6% 0.202 279.7);

Tailwind

colors: {
  custom: {
    50: '#9b8cf0',
    500: '#645ee8',
    950: '#000000',
  },
}

SCSS

$custom: #645ee8;
$custom-light: #9b8cf0;
$custom-dark: #000000;

JSON

{
  "hex": "#645ee8",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 232
  },
  "hsl": {
    "h": 242.609,
    "s": 75,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56562,
    "c": 0.20212,
    "h": 279.7
  },
  "luminance": 0.16541
}

Semantic roles & 50–950 ramp

primary

#645EE8

secondary

#E7E9B9

accent

#D70ECE

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645EE8

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

Preview Lab → · Contrast checker → · Palette generator →