#648FF8#648FF8

#648FF8 is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.9% C 0.163 H 265.5°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#648FF8
RGB	rgb(100, 143, 248)
HSL	hsl(223, 91%, 68%)
HSV	hsv(223, 60%, 97%)
CMYK	cmyk(59.7%, 42.3%, 0%, 2.7%)
CIE-LAB	lab(60.90, 16.45, -56.99)
CIE-LCH	lch(60.90, 59.32, 286.10°)
OKLab	oklab(66.85% -0.0129 -0.1623)
OKLCH	oklch(66.85% 0.163 265.5)
XYZ	xyz(32.0155, 29.1288, 92.7240)
Luminance	0.2913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FF8 #F8CD64

analogous

#64D9F8 #648FF8 #8364F8

triadic

#648FF8 #F8648F #8FF864

tetradic

#648FF8 #F864D9 #F8CD64 #64F883

square

#648FF8 #F864D9 #F8CD64 #64F883

split-complementary

#648FF8 #F88364 #D9F864

monochromatic

#0A46D8 #2965F5 #648FF8 #9FB9FB #D9E4FD

Accessibility & contrast

On white

3.08

#648FF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#648FF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FF8

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FF8	#FFFFFF	#000000	##000000
##648FF8	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#609AFC

Deuteranopia (green-blind)

#4A8DF6

Tritanopia (blue-blind)

#00A7B7

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #648ff8;
/* rgb */ color: rgb(100, 143, 248);
/* oklch */ color: oklch(66.9% 0.163 265.5);

Tailwind

colors: {
  custom: {
    50: '#9caffb',
    500: '#648ff8',
    950: '#000000',
  },
}

SCSS

$custom: #648ff8;
$custom-light: #9caffb;
$custom-dark: #000000;

JSON

{
  "hex": "#648ff8",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 248
  },
  "hsl": {
    "h": 222.568,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66853,
    "c": 0.16286,
    "h": 265.5
  },
  "luminance": 0.29132
}

Semantic roles & 50–950 ramp

primary

#648FF8

secondary

#F2E5C5

accent

#A300E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648FF8

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

Preview Lab → · Contrast checker → · Palette generator →