#648FF5#648FF5

#648FF5 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.7% C 0.159 H 265.2°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#648FF5
RGB	rgb(100, 143, 245)
HSL	hsl(222, 88%, 68%)
HSV	hsv(222, 59%, 96%)
CMYK	cmyk(59.2%, 41.6%, 0%, 3.9%)
CIE-LAB	lab(60.73, 15.47, -55.60)
CIE-LCH	lch(60.73, 57.71, 285.55°)
OKLab	oklab(66.68% -0.0134 -0.1583)
OKLCH	oklch(66.68% 0.159 265.2)
XYZ	xyz(31.5538, 28.9442, 90.2925)
Luminance	0.2895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FF5 #F5CA64

analogous

#64D7F5 #648FF5 #8164F5

triadic

#648FF5 #F5648F #8FF564

tetradic

#648FF5 #F564D7 #F5CA64 #64F581

square

#648FF5 #F564D7 #F5CA64 #64F581

split-complementary

#648FF5 #F58164 #D7F564

monochromatic

#0D48D1 #2B65F1 #648FF5 #9DB9F9 #D7E2FC

Accessibility & contrast

On white

3.09

#648FF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#648FF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FF5

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FF5	#FFFFFF	#000000	##000000
##648FF5	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#629AF9

Deuteranopia (green-blind)

#4D8CF3

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648ff5;
/* rgb */ color: rgb(100, 143, 245);
/* oklch */ color: oklch(66.7% 0.159 265.2);

Tailwind

colors: {
  custom: {
    50: '#9baff9',
    500: '#648ff5',
    950: '#000000',
  },
}

SCSS

$custom: #648ff5;
$custom-light: #9baff9;
$custom-dark: #000000;

JSON

{
  "hex": "#648ff5",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 245
  },
  "hsl": {
    "h": 222.207,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.66675,
    "c": 0.15884,
    "h": 265.2
  },
  "luminance": 0.28947
}

Semantic roles & 50–950 ramp

primary

#648FF5

secondary

#F1E4C4

accent

#A101E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648FF5

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

Preview Lab → · Contrast checker → · Palette generator →