#645EFA#645EFA

#645EFA is a mid, highly saturated blue. Relative luminance 0.176; OKLCH L 58.0% C 0.225 H 278.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#645EFA
RGB	rgb(100, 94, 250)
HSL	hsl(242, 94%, 67%)
HSV	hsv(242, 62%, 98%)
CMYK	cmyk(60%, 62.4%, 0%, 2%)
CIE-LAB	lab(49.03, 46.39, -77.26)
CIE-LCH	lch(49.03, 90.12, 300.98°)
OKLab	oklab(57.98% 0.033 -0.2224)
OKLCH	oklch(57.98% 0.225 278.5)
XYZ	xyz(26.5080, 17.6149, 92.4271)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EFA #F4FA5E

analogous

#5EA6FA #645EFA #B25EFA

triadic

#645EFA #FA645E #5EFA64

tetradic

#645EFA #FA5EA6 #F4FA5E #5EFAB2

square

#645EFA #FA5EA6 #F4FA5E #5EFAB2

split-complementary

#645EFA #FAB25E #A6FA5E

monochromatic

#0F07D7 #2B23F8 #645EFA #9D99FC #D6D5FE

Accessibility & contrast

On white

4.64

#645EFA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#645EFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #645EFA

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EFA	#FFFFFF	#000000	##FFFFFF
##645EFA	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BFF

Deuteranopia (green-blind)

#006EF7

Tritanopia (blue-blind)

#0085A3

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #645efa;
/* rgb */ color: rgb(100, 94, 250);
/* oklch */ color: oklch(58.0% 0.225 278.5);

Tailwind

colors: {
  custom: {
    50: '#9e8cfd',
    500: '#645efa',
    950: '#000000',
  },
}

SCSS

$custom: #645efa;
$custom-light: #9e8cfd;
$custom-dark: #000000;

JSON

{
  "hex": "#645efa",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 250
  },
  "hsl": {
    "h": 242.308,
    "s": 93.976,
    "l": 67.451
  },
  "oklch": {
    "l": 0.57975,
    "c": 0.22484,
    "h": 278.5
  },
  "luminance": 0.17617
}

Semantic roles & 50–950 ramp

primary

#645EFA

secondary

#F0F2C1

accent

#E600DD

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #645EFA

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

Preview Lab → · Contrast checker → · Palette generator →