#648BF5#648BF5

#648BF5 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.9% C 0.164 H 266.7°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#648BF5
RGB	rgb(100, 139, 245)
HSL	hsl(224, 88%, 68%)
HSV	hsv(224, 59%, 96%)
CMYK	cmyk(59.2%, 43.3%, 0%, 3.9%)
CIE-LAB	lab(59.68, 17.85, -57.29)
CIE-LCH	lch(59.68, 60.01, 287.31°)
OKLab	oklab(65.86% -0.0093 -0.1633)
OKLCH	oklch(65.86% 0.164 266.7)
XYZ	xyz(30.9640, 27.7645, 90.0959)
Luminance	0.2777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BF5 #F5CE64

analogous

#64D4F5 #648BF5 #8564F5

triadic

#648BF5 #F5648B #8BF564

tetradic

#648BF5 #F564D4 #F5CE64 #64F585

square

#648BF5 #F564D4 #F5CE64 #64F585

split-complementary

#648BF5 #F58564 #D4F564

monochromatic

#0D42D1 #2B60F1 #648BF5 #9DB6F9 #D7E1FC

Accessibility & contrast

On white

3.20

#648BF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#648BF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BF5

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BF5	#FFFFFF	#000000	##000000
##648BF5	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B97F9

Deuteranopia (green-blind)

#468AF3

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648bf5;
/* rgb */ color: rgb(100, 139, 245);
/* oklch */ color: oklch(65.9% 0.164 266.7);

Tailwind

colors: {
  custom: {
    50: '#9bacf9',
    500: '#648bf5',
    950: '#000000',
  },
}

SCSS

$custom: #648bf5;
$custom-light: #9bacf9;
$custom-dark: #000000;

JSON

{
  "hex": "#648bf5",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 245
  },
  "hsl": {
    "h": 223.862,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.65863,
    "c": 0.16353,
    "h": 266.7
  },
  "luminance": 0.27767
}

Semantic roles & 50–950 ramp

primary

#648BF5

secondary

#F1E5C4

accent

#A701E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648BF5

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

Preview Lab → · Contrast checker → · Palette generator →