#645FE2#645FE2

#645FE2 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 56.3% C 0.193 H 279.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#645FE2
RGB	rgb(100, 95, 226)
HSL	hsl(242, 69%, 63%)
HSV	hsv(242, 58%, 89%)
CMYK	cmyk(55.8%, 58%, 0%, 11.4%)
CIE-LAB	lab(47.47, 38.31, -66.31)
CIE-LCH	lch(47.47, 76.58, 300.01°)
OKLab	oklab(56.28% 0.0332 -0.1902)
OKLCH	oklch(56.28% 0.193 279.9)
XYZ	xyz(23.0709, 16.3832, 73.8833)
Luminance	0.1638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FE2 #DDE25F

analogous

#5F9BE2 #645FE2 #A55FE2

triadic

#645FE2 #E2645F #5FE264

tetradic

#645FE2 #E25F9B #DDE25F #5FE2A5

square

#645FE2 #E25F9B #DDE25F #5FE2A5

split-complementary

#645FE2 #E2A55F #9BE25F

monochromatic

#241EA8 #322BD9 #645FE2 #9693EB #C8C7F5

Accessibility & contrast

On white

4.91

#645FE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#645FE2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FE2

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FE2	#FFFFFF	#000000	##FFFFFF
##645FE2	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E6

Deuteranopia (green-blind)

#006CDF

Tritanopia (blue-blind)

#217E97

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #645fe2;
/* rgb */ color: rgb(100, 95, 226);
/* oklch */ color: oklch(56.3% 0.193 279.9);

Tailwind

colors: {
  custom: {
    50: '#9a8cec',
    500: '#645fe2',
    950: '#000000',
  },
}

SCSS

$custom: #645fe2;
$custom-light: #9a8cec;
$custom-dark: #000000;

JSON

{
  "hex": "#645fe2",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 226
  },
  "hsl": {
    "h": 242.29,
    "s": 69.312,
    "l": 62.941
  },
  "oklch": {
    "l": 0.56278,
    "c": 0.19311,
    "h": 279.9
  },
  "luminance": 0.16385
}

Semantic roles & 50–950 ramp

primary

#645FE2

secondary

#E4E6B7

accent

#D114CA

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645FE2

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

Preview Lab → · Contrast checker → · Palette generator →