#648BF2#648BF2

#648BF2 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.7% C 0.159 H 266.5°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#648BF2
RGB	rgb(100, 139, 242)
HSL	hsl(224, 85%, 67%)
HSV	hsv(224, 59%, 95%)
CMYK	cmyk(58.7%, 42.6%, 0%, 5.1%)
CIE-LAB	lab(59.51, 16.88, -55.90)
CIE-LCH	lch(59.51, 58.39, 286.80°)
OKLab	oklab(65.68% -0.0098 -0.1592)
OKLCH	oklch(65.68% 0.159 266.5)
XYZ	xyz(30.5097, 27.5828, 87.7034)
Luminance	0.2758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BF2 #F2CB64

analogous

#64D2F2 #648BF2 #8464F2

triadic

#648BF2 #F2648B #8BF264

tetradic

#648BF2 #F264D2 #F2CB64 #64F284

square

#648BF2 #F264D2 #F2CB64 #64F284

split-complementary

#648BF2 #F28464 #D2F264

monochromatic

#1144CB #2C61ED #648BF2 #9CB5F7 #D5E0FB

Accessibility & contrast

On white

3.22

#648BF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#648BF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BF2

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BF2	#FFFFFF	#000000	##000000
##648BF2	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D96F6

Deuteranopia (green-blind)

#4989F0

Tritanopia (blue-blind)

#00A2B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648bf2;
/* rgb */ color: rgb(100, 139, 242);
/* oklch */ color: oklch(65.7% 0.159 266.5);

Tailwind

colors: {
  custom: {
    50: '#9bacf7',
    500: '#648bf2',
    950: '#000000',
  },
}

SCSS

$custom: #648bf2;
$custom-light: #9bacf7;
$custom-dark: #000000;

JSON

{
  "hex": "#648bf2",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 242
  },
  "hsl": {
    "h": 223.521,
    "s": 84.524,
    "l": 67.059
  },
  "oklch": {
    "l": 0.65682,
    "c": 0.15948,
    "h": 266.5
  },
  "luminance": 0.27585
}

Semantic roles & 50–950 ramp

primary

#648BF2

secondary

#EFE3C2

accent

#A405E1

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648BF2

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

Preview Lab → · Contrast checker → · Palette generator →