#648EF7#648EF7

#648EF7 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.6% C 0.163 H 265.8°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#648EF7
RGB	rgb(100, 142, 247)
HSL	hsl(223, 90%, 68%)
HSV	hsv(223, 60%, 97%)
CMYK	cmyk(59.5%, 42.5%, 0%, 3.1%)
CIE-LAB	lab(60.58, 16.72, -56.95)
CIE-LCH	lch(60.58, 59.35, 286.36°)
OKLab	oklab(66.59% -0.012 -0.1622)
OKLCH	oklch(66.59% 0.163 265.8)
XYZ	xyz(31.7113, 28.7680, 91.8593)
Luminance	0.2877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EF7 #F7CD64

analogous

#64D8F7 #648EF7 #8364F7

triadic

#648EF7 #F7648E #8EF764

tetradic

#648EF7 #F764D8 #F7CD64 #64F783

square

#648EF7 #F764D8 #F7CD64 #64F783

split-complementary

#648EF7 #F78364 #D8F764

monochromatic

#0B45D6 #2A64F4 #648EF7 #9EB8FA #D8E3FD

Accessibility & contrast

On white

3.11

#648EF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#648EF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EF7

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EF7	#FFFFFF	#000000	##000000
##648EF7	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F99FB

Deuteranopia (green-blind)

#4A8CF5

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648ef7;
/* rgb */ color: rgb(100, 142, 247);
/* oklch */ color: oklch(66.6% 0.163 265.8);

Tailwind

colors: {
  custom: {
    50: '#9baefa',
    500: '#648ef7',
    950: '#000000',
  },
}

SCSS

$custom: #648ef7;
$custom-light: #9baefa;
$custom-dark: #000000;

JSON

{
  "hex": "#648ef7",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 247
  },
  "hsl": {
    "h": 222.857,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.6659,
    "c": 0.16269,
    "h": 265.8
  },
  "luminance": 0.28771
}

Semantic roles & 50–950 ramp

primary

#648EF7

secondary

#F2E5C5

accent

#A400E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EF7

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

Preview Lab → · Contrast checker → · Palette generator →