#645DF2#645DF2

#645DF2 is a mid, highly saturated blue. Relative luminance 0.169; OKLCH L 57.2% C 0.216 H 279.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#645DF2
RGB	rgb(100, 93, 242)
HSL	hsl(243, 85%, 66%)
HSV	hsv(243, 62%, 95%)
CMYK	cmyk(58.7%, 61.6%, 0%, 5.1%)
CIE-LAB	lab(48.19, 44.48, -74.15)
CIE-LCH	lch(48.19, 86.47, 300.96°)
OKLab	oklab(57.18% 0.0344 -0.2133)
OKLCH	oklch(57.18% 0.216 279.2)
XYZ	xyz(25.1918, 16.9470, 85.9308)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DF2 #EBF25D

analogous

#5DA0F2 #645DF2 #AE5DF2

triadic

#645DF2 #F2645D #5DF264

tetradic

#645DF2 #F25DA0 #EBF25D #5DF2AE

square

#645DF2 #F25DA0 #EBF25D #5DF2AE

split-complementary

#645DF2 #F2AE5D #A0F25D

monochromatic

#1810C5 #2E24ED #645DF2 #9A96F7 #D0CEFB

Accessibility & contrast

On white

4.78

#645DF2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#645DF2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DF2

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DF2	#FFFFFF	#000000	##FFFFFF
##645DF2	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)

#0078F7

Deuteranopia (green-blind)

#006CEF

Tritanopia (blue-blind)

#00829F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645df2;
/* rgb */ color: rgb(100, 93, 242);
/* oklch */ color: oklch(57.2% 0.216 279.2);

Tailwind

colors: {
  custom: {
    50: '#9d8bf7',
    500: '#645df2',
    950: '#000000',
  },
}

SCSS

$custom: #645df2;
$custom-light: #9d8bf7;
$custom-dark: #000000;

JSON

{
  "hex": "#645df2",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 242
  },
  "hsl": {
    "h": 242.819,
    "s": 85.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.57176,
    "c": 0.21603,
    "h": 279.2
  },
  "luminance": 0.16949
}

Semantic roles & 50–950 ramp

primary

#645DF2

secondary

#ECEEBD

accent

#E204D7

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #645DF2

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

Preview Lab → · Contrast checker → · Palette generator →