#648CF8#648CF8

#648CF8 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.166 H 266.6°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#648CF8
RGB	rgb(100, 140, 248)
HSL	hsl(224, 91%, 68%)
HSV	hsv(224, 60%, 97%)
CMYK	cmyk(59.7%, 43.5%, 0%, 2.7%)
CIE-LAB	lab(60.10, 18.24, -58.26)
CIE-LCH	lch(60.10, 61.04, 287.38°)
OKLab	oklab(66.25% -0.0098 -0.1661)
OKLCH	oklch(66.25% 0.166 266.6)
XYZ	xyz(31.5711, 28.2401, 92.5759)
Luminance	0.2824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CF8 #F8D064

analogous

#64D6F8 #648CF8 #8664F8

triadic

#648CF8 #F8648C #8CF864

tetradic

#648CF8 #F864D6 #F8D064 #64F886

square

#648CF8 #F864D6 #F8D064 #64F886

split-complementary

#648CF8 #F88664 #D6F864

monochromatic

#0A41D8 #2961F5 #648CF8 #9FB7FB #D9E3FD

Accessibility & contrast

On white

3.16

#648CF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#648CF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CF8

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CF8	#FFFFFF	#000000	##000000
##648CF8	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A98FC

Deuteranopia (green-blind)

#448BF6

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648cf8;
/* rgb */ color: rgb(100, 140, 248);
/* oklch */ color: oklch(66.2% 0.166 266.6);

Tailwind

colors: {
  custom: {
    50: '#9cadfb',
    500: '#648cf8',
    950: '#000000',
  },
}

SCSS

$custom: #648cf8;
$custom-light: #9cadfb;
$custom-dark: #000000;

JSON

{
  "hex": "#648cf8",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 248
  },
  "hsl": {
    "h": 223.784,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66246,
    "c": 0.16638,
    "h": 266.6
  },
  "luminance": 0.28243
}

Semantic roles & 50–950 ramp

primary

#648CF8

secondary

#F2E6C5

accent

#A700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CF8

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

Preview Lab → · Contrast checker → · Palette generator →