#645FEC#645FEC

#645FEC is a mid, highly saturated blue. Relative luminance 0.170; OKLCH L 57.0% C 0.206 H 279.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#645FEC
RGB	rgb(100, 95, 236)
HSL	hsl(242, 79%, 65%)
HSV	hsv(242, 60%, 93%)
CMYK	cmyk(57.6%, 59.7%, 0%, 7.5%)
CIE-LAB	lab(48.19, 41.44, -70.78)
CIE-LCH	lch(48.19, 82.02, 300.35°)
OKLab	oklab(57.04% 0.033 -0.2034)
OKLCH	oklch(57.04% 0.206 279.2)
XYZ	xyz(24.4833, 16.9482, 81.3218)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FEC #E7EC5F

analogous

#5FA0EC #645FEC #AB5FEC

triadic

#645FEC #EC645F #5FEC64

tetradic

#645FEC #EC5FA0 #E7EC5F #5FECAB

square

#645FEC #EC5FA0 #E7EC5F #5FECAB

split-complementary

#645FEC #ECAB5F #A0EC5F

monochromatic

#1C16BA #2F28E6 #645FEC #9996F2 #CECCF9

Accessibility & contrast

On white

4.78

#645FEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#645FEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FEC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FEC	#FFFFFF	#000000	##FFFFFF
##645FEC	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F1

Deuteranopia (green-blind)

#006DE9

Tritanopia (blue-blind)

#04819C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645fec;
/* rgb */ color: rgb(100, 95, 236);
/* oklch */ color: oklch(57.0% 0.206 279.2);

Tailwind

colors: {
  custom: {
    50: '#9c8df3',
    500: '#645fec',
    950: '#000000',
  },
}

SCSS

$custom: #645fec;
$custom-light: #9c8df3;
$custom-dark: #000000;

JSON

{
  "hex": "#645fec",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 236
  },
  "hsl": {
    "h": 242.128,
    "s": 78.771,
    "l": 64.902
  },
  "oklch": {
    "l": 0.57037,
    "c": 0.20602,
    "h": 279.2
  },
  "luminance": 0.1695
}

Semantic roles & 50–950 ramp

primary

#645FEC

secondary

#EAEBBB

accent

#DB0AD4

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645FEC

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

Preview Lab → · Contrast checker → · Palette generator →