#648CF7#648CF7

#648CF7 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.165 H 266.5°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#648CF7
RGB	rgb(100, 140, 247)
HSL	hsl(224, 90%, 68%)
HSV	hsv(224, 60%, 97%)
CMYK	cmyk(59.5%, 43.3%, 0%, 3.1%)
CIE-LAB	lab(60.05, 17.91, -57.79)
CIE-LCH	lch(60.05, 60.50, 287.22°)
OKLab	oklab(66.19% -0.01 -0.1647)
OKLCH	oklch(66.19% 0.165 266.5)
XYZ	xyz(31.4164, 28.1782, 91.7610)
Luminance	0.2818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CF7 #F7CF64

analogous

#64D6F7 #648CF7 #8564F7

triadic

#648CF7 #F7648C #8CF764

tetradic

#648CF7 #F764D6 #F7CF64 #64F785

square

#648CF7 #F764D6 #F7CF64 #64F785

split-complementary

#648CF7 #F78564 #D6F764

monochromatic

#0B42D6 #2A61F4 #648CF7 #9EB7FA #D8E2FD

Accessibility & contrast

On white

3.16

#648CF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#648CF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CF7

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CF7	#FFFFFF	#000000	##000000
##648CF7	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B98FB

Deuteranopia (green-blind)

#468AF5

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648cf7;
/* rgb */ color: rgb(100, 140, 247);
/* oklch */ color: oklch(66.2% 0.165 266.5);

Tailwind

colors: {
  custom: {
    50: '#9cadfa',
    500: '#648cf7',
    950: '#000000',
  },
}

SCSS

$custom: #648cf7;
$custom-light: #9cadfa;
$custom-dark: #000000;

JSON

{
  "hex": "#648cf7",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 247
  },
  "hsl": {
    "h": 223.673,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66186,
    "c": 0.16504,
    "h": 266.5
  },
  "luminance": 0.28181
}

Semantic roles & 50–950 ramp

primary

#648CF7

secondary

#F2E6C5

accent

#A700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CF7

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

Preview Lab → · Contrast checker → · Palette generator →