#645FFC#645FFC

#645FFC is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 58.3% C 0.226 H 278.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#645FFC
RGB	rgb(100, 95, 252)
HSL	hsl(242, 96%, 68%)
HSV	hsv(242, 62%, 99%)
CMYK	cmyk(60.3%, 62.3%, 0%, 1.2%)
CIE-LAB	lab(49.40, 46.44, -77.76)
CIE-LCH	lch(49.40, 90.57, 300.85°)
OKLab	oklab(58.3% 0.0321 -0.2239)
OKLCH	oklch(58.3% 0.226 278.2)
XYZ	xyz(26.9128, 17.9200, 94.1173)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FFC #F7FC5F

analogous

#5FA8FC #645FFC #B25FFC

triadic

#645FFC #FC645F #5FFC64

tetradic

#645FFC #FC5FA8 #F7FC5F #5FFCB2

square

#645FFC #FC5FA8 #F7FC5F #5FFCB2

split-complementary

#645FFC #FCB25F #A8FC5F

monochromatic

#0B04DC #2A23FB #645FFC #9E9BFD #D8D7FE

Accessibility & contrast

On white

4.58

#645FFC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#645FFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #645FFC

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FFC	#FFFFFF	#000000	##000000
##645FFC	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CFF

Deuteranopia (green-blind)

#006FF9

Tritanopia (blue-blind)

#0086A5

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #645ffc;
/* rgb */ color: rgb(100, 95, 252);
/* oklch */ color: oklch(58.3% 0.226 278.2);

Tailwind

colors: {
  custom: {
    50: '#9f8dfe',
    500: '#645ffc',
    950: '#000000',
  },
}

SCSS

$custom: #645ffc;
$custom-light: #9f8dfe;
$custom-dark: #000000;

JSON

{
  "hex": "#645ffc",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 252
  },
  "hsl": {
    "h": 241.911,
    "s": 96.319,
    "l": 68.039
  },
  "oklch": {
    "l": 0.58296,
    "c": 0.22617,
    "h": 278.2
  },
  "luminance": 0.17922
}

Semantic roles & 50–950 ramp

primary

#645FFC

secondary

#F2F3C3

accent

#E600DE

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #645FFC

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

Preview Lab → · Contrast checker → · Palette generator →