#648BF8#648BF8

#648BF8 is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.0% C 0.168 H 267.0°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#648BF8
RGB	rgb(100, 139, 248)
HSL	hsl(224, 91%, 68%)
HSV	hsv(224, 60%, 97%)
CMYK	cmyk(59.7%, 44%, 0%, 2.7%)
CIE-LAB	lab(59.84, 18.83, -58.67)
CIE-LCH	lch(59.84, 61.62, 287.80°)
OKLab	oklab(66.05% -0.0088 -0.1673)
OKLCH	oklch(66.05% 0.168 267)
XYZ	xyz(31.4257, 27.9492, 92.5274)
Luminance	0.2795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BF8 #F8D164

analogous

#64D5F8 #648BF8 #8764F8

triadic

#648BF8 #F8648B #8BF864

tetradic

#648BF8 #F864D5 #F8D164 #64F887

square

#648BF8 #F864D5 #F8D164 #64F887

split-complementary

#648BF8 #F88764 #D5F864

monochromatic

#0A40D8 #295FF5 #648BF8 #9FB7FB #D9E3FD

Accessibility & contrast

On white

3.19

#648BF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#648BF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BF8

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BF8	#FFFFFF	#000000	##000000
##648BF8	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5997FC

Deuteranopia (green-blind)

#428AF6

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648bf8;
/* rgb */ color: rgb(100, 139, 248);
/* oklch */ color: oklch(66.0% 0.168 267.0);

Tailwind

colors: {
  custom: {
    50: '#9cacfb',
    500: '#648bf8',
    950: '#000000',
  },
}

SCSS

$custom: #648bf8;
$custom-light: #9cacfb;
$custom-dark: #000000;

JSON

{
  "hex": "#648bf8",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 248
  },
  "hsl": {
    "h": 224.189,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66045,
    "c": 0.16756,
    "h": 267
  },
  "luminance": 0.27952
}

Semantic roles & 50–950 ramp

primary

#648BF8

secondary

#F2E7C5

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648BF8

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

Preview Lab → · Contrast checker → · Palette generator →