#648CF9#648CF9

#648CF9 is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.3% C 0.168 H 266.7°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#648CF9
RGB	rgb(100, 140, 249)
HSL	hsl(224, 93%, 68%)
HSV	hsv(224, 60%, 98%)
CMYK	cmyk(59.8%, 43.8%, 0%, 2.4%)
CIE-LAB	lab(60.16, 18.56, -58.72)
CIE-LCH	lch(60.16, 61.58, 287.54°)
OKLab	oklab(66.31% -0.0097 -0.1674)
OKLCH	oklch(66.31% 0.168 266.7)
XYZ	xyz(31.7267, 28.3024, 93.3951)
Luminance	0.2831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CF9 #F9D164

analogous

#64D6F9 #648CF9 #8664F9

triadic

#648CF9 #F9648C #8CF964

tetradic

#648CF9 #F964D6 #F9D164 #64F986

square

#648CF9 #F964D6 #F9D164 #64F986

split-complementary

#648CF9 #F98664 #D6F964

monochromatic

#0841DA #2960F7 #648CF9 #9FB8FB #DAE3FE

Accessibility & contrast

On white

3.15

#648CF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#648CF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CF9

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CF9	#FFFFFF	#000000	##000000
##648CF9	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A98FD

Deuteranopia (green-blind)

#438BF7

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648cf9;
/* rgb */ color: rgb(100, 140, 249);
/* oklch */ color: oklch(66.3% 0.168 266.7);

Tailwind

colors: {
  custom: {
    50: '#9cadfc',
    500: '#648cf9',
    950: '#000000',
  },
}

SCSS

$custom: #648cf9;
$custom-light: #9cadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#648cf9",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 249
  },
  "hsl": {
    "h": 223.893,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66307,
    "c": 0.16772,
    "h": 266.7
  },
  "luminance": 0.28305
}

Semantic roles & 50–950 ramp

primary

#648CF9

secondary

#F3E7C6

accent

#A800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CF9

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

Preview Lab → · Contrast checker → · Palette generator →