#645EEC#645EEC

#645EEC is a mid, highly saturated blue. Relative luminance 0.168; OKLCH L 56.9% C 0.207 H 279.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#645EEC
RGB	rgb(100, 94, 236)
HSL	hsl(243, 79%, 65%)
HSV	hsv(243, 60%, 93%)
CMYK	cmyk(57.6%, 60.2%, 0%, 7.5%)
CIE-LAB	lab(47.97, 42.02, -71.15)
CIE-LCH	lch(47.97, 82.63, 300.57°)
OKLab	oklab(56.87% 0.0339 -0.2045)
OKLCH	oklch(56.87% 0.207 279.4)
XYZ	xyz(24.3938, 16.7692, 81.2919)
Luminance	0.1677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EEC #E6EC5E

analogous

#5E9FEC #645EEC #AB5EEC

triadic

#645EEC #EC645E #5EEC64

tetradic

#645EEC #EC5E9F #E6EC5E #5EECAB

square

#645EEC #EC5E9F #E6EC5E #5EECAB

split-complementary

#645EEC #ECAB5E #9FEC5E

monochromatic

#1D16BA #2F27E6 #645EEC #9995F2 #CDCBF9

Accessibility & contrast

On white

4.82

#645EEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#645EEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EEC

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EEC	#FFFFFF	#000000	##FFFFFF
##645EEC	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F1

Deuteranopia (green-blind)

#006CE9

Tritanopia (blue-blind)

#05819C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645eec;
/* rgb */ color: rgb(100, 94, 236);
/* oklch */ color: oklch(56.9% 0.207 279.4);

Tailwind

colors: {
  custom: {
    50: '#9c8cf3',
    500: '#645eec',
    950: '#000000',
  },
}

SCSS

$custom: #645eec;
$custom-light: #9c8cf3;
$custom-dark: #000000;

JSON

{
  "hex": "#645eec",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 236
  },
  "hsl": {
    "h": 242.535,
    "s": 78.889,
    "l": 64.706
  },
  "oklch": {
    "l": 0.5687,
    "c": 0.20724,
    "h": 279.4
  },
  "luminance": 0.16771
}

Semantic roles & 50–950 ramp

primary

#645EEC

secondary

#E9EBBB

accent

#DB0AD2

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645EEC

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

Preview Lab → · Contrast checker → · Palette generator →