#648DF9#648DF9

#648DF9 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.5% C 0.167 H 266.3°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#648DF9
RGB	rgb(100, 141, 249)
HSL	hsl(223, 93%, 68%)
HSV	hsv(223, 60%, 98%)
CMYK	cmyk(59.8%, 43.4%, 0%, 2.4%)
CIE-LAB	lab(60.42, 17.97, -58.30)
CIE-LCH	lch(60.42, 61.00, 287.13°)
OKLab	oklab(66.51% -0.0107 -0.1662)
OKLCH	oklch(66.51% 0.167 266.3)
XYZ	xyz(31.8735, 28.5959, 93.4441)
Luminance	0.2860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DF9 #F9D064

analogous

#64D7F9 #648DF9 #8564F9

triadic

#648DF9 #F9648D #8DF964

tetradic

#648DF9 #F964D7 #F9D064 #64F985

square

#648DF9 #F964D7 #F9D064 #64F985

split-complementary

#648DF9 #F98564 #D7F964

monochromatic

#0842DA #2962F7 #648DF9 #9FB8FB #DAE4FE

Accessibility & contrast

On white

3.13

#648DF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#648DF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DF9

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DF9	#FFFFFF	#000000	##000000
##648DF9	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B99FD

Deuteranopia (green-blind)

#458BF7

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648df9;
/* rgb */ color: rgb(100, 141, 249);
/* oklch */ color: oklch(66.5% 0.167 266.3);

Tailwind

colors: {
  custom: {
    50: '#9cadfc',
    500: '#648df9',
    950: '#000000',
  },
}

SCSS

$custom: #648df9;
$custom-light: #9cadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#648df9",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 249
  },
  "hsl": {
    "h": 223.49,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66509,
    "c": 0.16654,
    "h": 266.3
  },
  "luminance": 0.28599
}

Semantic roles & 50–950 ramp

primary

#648DF9

secondary

#F3E6C6

accent

#A600E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648DF9

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

Preview Lab → · Contrast checker → · Palette generator →