#648EF5#648EF5

#648EF5 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.5% C 0.160 H 265.6°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#648EF5
RGB	rgb(100, 142, 245)
HSL	hsl(223, 88%, 68%)
HSV	hsv(223, 59%, 96%)
CMYK	cmyk(59.2%, 42%, 0%, 3.9%)
CIE-LAB	lab(60.47, 16.06, -56.03)
CIE-LCH	lch(60.47, 58.28, 286.00°)
OKLab	oklab(66.47% -0.0124 -0.1595)
OKLCH	oklch(66.47% 0.16 265.6)
XYZ	xyz(31.4043, 28.6453, 90.2426)
Luminance	0.2865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EF5 #F5CB64

analogous

#64D6F5 #648EF5 #8364F5

triadic

#648EF5 #F5648E #8EF564

tetradic

#648EF5 #F564D6 #F5CB64 #64F583

square

#648EF5 #F564D6 #F5CB64 #64F583

split-complementary

#648EF5 #F58364 #D6F564

monochromatic

#0D46D1 #2B64F1 #648EF5 #9DB8F9 #D7E2FC

Accessibility & contrast

On white

3.12

#648EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#648EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EF5

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EF5	#FFFFFF	#000000	##000000
##648EF5	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6099F9

Deuteranopia (green-blind)

#4C8CF3

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648ef5;
/* rgb */ color: rgb(100, 142, 245);
/* oklch */ color: oklch(66.5% 0.160 265.6);

Tailwind

colors: {
  custom: {
    50: '#9baef9',
    500: '#648ef5',
    950: '#000000',
  },
}

SCSS

$custom: #648ef5;
$custom-light: #9baef9;
$custom-dark: #000000;

JSON

{
  "hex": "#648ef5",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 245
  },
  "hsl": {
    "h": 222.621,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.66471,
    "c": 0.16,
    "h": 265.6
  },
  "luminance": 0.28648
}

Semantic roles & 50–950 ramp

primary

#648EF5

secondary

#F1E4C4

accent

#A301E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EF5

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

Preview Lab → · Contrast checker → · Palette generator →