#648EF9#648EF9

#648EF9 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.7% C 0.165 H 265.9°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#648EF9
RGB	rgb(100, 142, 249)
HSL	hsl(223, 93%, 68%)
HSV	hsv(223, 60%, 98%)
CMYK	cmyk(59.8%, 43%, 0%, 2.4%)
CIE-LAB	lab(60.69, 17.37, -57.88)
CIE-LCH	lch(60.69, 60.43, 286.70°)
OKLab	oklab(66.71% -0.0117 -0.165)
OKLCH	oklch(66.71% 0.165 265.9)
XYZ	xyz(32.0216, 28.8921, 93.4934)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EF9 #F9CF64

analogous

#64D9F9 #648EF9 #8464F9

triadic

#648EF9 #F9648E #8EF964

tetradic

#648EF9 #F964D9 #F9CF64 #64F984

square

#648EF9 #F964D9 #F9CF64 #64F984

split-complementary

#648EF9 #F98464 #D9F964

monochromatic

#0844DA #2963F7 #648EF9 #9FB9FB #DAE4FE

Accessibility & contrast

On white

3.10

#648EF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#648EF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EF9

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EF9	#FFFFFF	#000000	##000000
##648EF9	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D9AFD

Deuteranopia (green-blind)

#478CF7

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648ef9;
/* rgb */ color: rgb(100, 142, 249);
/* oklch */ color: oklch(66.7% 0.165 265.9);

Tailwind

colors: {
  custom: {
    50: '#9caefc',
    500: '#648ef9',
    950: '#000000',
  },
}

SCSS

$custom: #648ef9;
$custom-light: #9caefc;
$custom-dark: #000000;

JSON

{
  "hex": "#648ef9",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 249
  },
  "hsl": {
    "h": 223.087,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66711,
    "c": 0.16537,
    "h": 265.9
  },
  "luminance": 0.28895
}

Semantic roles & 50–950 ramp

primary

#648EF9

secondary

#F3E6C6

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EF9

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

Preview Lab → · Contrast checker → · Palette generator →