#645EEE#645EEE

#645EEE is a mid, highly saturated blue. Relative luminance 0.169; OKLCH L 57.0% C 0.210 H 279.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#645EEE
RGB	rgb(100, 94, 238)
HSL	hsl(243, 81%, 65%)
HSV	hsv(243, 61%, 93%)
CMYK	cmyk(58%, 60.5%, 0%, 6.7%)
CIE-LAB	lab(48.12, 42.65, -72.03)
CIE-LCH	lch(48.12, 83.71, 300.63°)
OKLab	oklab(57.03% 0.0338 -0.207)
OKLCH	oklch(57.03% 0.21 279.3)
XYZ	xyz(24.6860, 16.8860, 82.8308)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EEE #E8EE5E

analogous

#5EA0EE #645EEE #AC5EEE

triadic

#645EEE #EE645E #5EEE64

tetradic

#645EEE #EE5EA0 #E8EE5E #5EEEAC

square

#645EEE #EE5EA0 #E8EE5E #5EEEAC

split-complementary

#645EEE #EEAC5E #A0EE5E

monochromatic

#1B14BE #2F27E8 #645EEE #9995F4 #CFCDFA

Accessibility & contrast

On white

4.80

#645EEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#645EEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EEE

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EEE	#FFFFFF	#000000	##FFFFFF
##645EEE	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F3

Deuteranopia (green-blind)

#006DEB

Tritanopia (blue-blind)

#00819D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645eee;
/* rgb */ color: rgb(100, 94, 238);
/* oklch */ color: oklch(57.0% 0.210 279.3);

Tailwind

colors: {
  custom: {
    50: '#9c8cf5',
    500: '#645eee',
    950: '#000000',
  },
}

SCSS

$custom: #645eee;
$custom-light: #9c8cf5;
$custom-dark: #000000;

JSON

{
  "hex": "#645eee",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 238
  },
  "hsl": {
    "h": 242.5,
    "s": 80.899,
    "l": 65.098
  },
  "oklch": {
    "l": 0.57025,
    "c": 0.20979,
    "h": 279.3
  },
  "luminance": 0.16888
}

Semantic roles & 50–950 ramp

primary

#645EEE

secondary

#EAECBB

accent

#DD08D4

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645EEE

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

Preview Lab → · Contrast checker → · Palette generator →