#648FF9#648FF9

#648FF9 is a light, vivid blue. Relative luminance 0.292; OKLCH L 66.9% C 0.164 H 265.6°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#648FF9
RGB	rgb(100, 143, 249)
HSL	hsl(223, 93%, 68%)
HSV	hsv(223, 60%, 98%)
CMYK	cmyk(59.8%, 42.6%, 0%, 2.4%)
CIE-LAB	lab(60.95, 16.77, -57.46)
CIE-LCH	lch(60.95, 59.85, 286.27°)
OKLab	oklab(66.91% -0.0127 -0.1637)
OKLCH	oklch(66.91% 0.164 265.6)
XYZ	xyz(32.1710, 29.1910, 93.5432)
Luminance	0.2919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FF9 #F9CE64

analogous

#64D9F9 #648FF9 #8364F9

triadic

#648FF9 #F9648F #8FF964

tetradic

#648FF9 #F964D9 #F9CE64 #64F983

square

#648FF9 #F964D9 #F9CE64 #64F983

split-complementary

#648FF9 #F98364 #D9F964

monochromatic

#0845DA #2964F7 #648FF9 #9FBAFB #DAE4FE

Accessibility & contrast

On white

3.07

#648FF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#648FF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FF9

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FF9	#FFFFFF	#000000	##000000
##648FF9	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F9AFD

Deuteranopia (green-blind)

#498DF7

Tritanopia (blue-blind)

#00A7B8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #648ff9;
/* rgb */ color: rgb(100, 143, 249);
/* oklch */ color: oklch(66.9% 0.164 265.6);

Tailwind

colors: {
  custom: {
    50: '#9caffc',
    500: '#648ff9',
    950: '#000000',
  },
}

SCSS

$custom: #648ff9;
$custom-light: #9caffc;
$custom-dark: #000000;

JSON

{
  "hex": "#648ff9",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 249
  },
  "hsl": {
    "h": 222.685,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66913,
    "c": 0.1642,
    "h": 265.6
  },
  "luminance": 0.29194
}

Semantic roles & 50–950 ramp

primary

#648FF9

secondary

#F3E6C6

accent

#A300E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648FF9

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

Preview Lab → · Contrast checker → · Palette generator →