#648CF5#648CF5

#648CF5 is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.1% C 0.162 H 266.3°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#648CF5
RGB	rgb(100, 140, 245)
HSL	hsl(223, 88%, 68%)
HSV	hsv(223, 59%, 96%)
CMYK	cmyk(59.2%, 42.9%, 0%, 3.9%)
CIE-LAB	lab(59.94, 17.26, -56.87)
CIE-LCH	lch(59.94, 59.43, 286.88°)
OKLab	oklab(66.07% -0.0103 -0.162)
OKLCH	oklch(66.07% 0.162 266.3)
XYZ	xyz(31.1094, 28.0555, 90.1443)
Luminance	0.2806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CF5 #F5CD64

analogous

#64D5F5 #648CF5 #8464F5

triadic

#648CF5 #F5648C #8CF564

tetradic

#648CF5 #F564D5 #F5CD64 #64F584

square

#648CF5 #F564D5 #F5CD64 #64F584

split-complementary

#648CF5 #F58464 #D5F564

monochromatic

#0D43D1 #2B61F1 #648CF5 #9DB7F9 #D7E1FC

Accessibility & contrast

On white

3.18

#648CF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#648CF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CF5

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CF5	#FFFFFF	#000000	##000000
##648CF5	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D97F9

Deuteranopia (green-blind)

#488AF3

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648cf5;
/* rgb */ color: rgb(100, 140, 245);
/* oklch */ color: oklch(66.1% 0.162 266.3);

Tailwind

colors: {
  custom: {
    50: '#9badf9',
    500: '#648cf5',
    950: '#000000',
  },
}

SCSS

$custom: #648cf5;
$custom-light: #9badf9;
$custom-dark: #000000;

JSON

{
  "hex": "#648cf5",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 245
  },
  "hsl": {
    "h": 223.448,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.66065,
    "c": 0.16235,
    "h": 266.3
  },
  "luminance": 0.28058
}

Semantic roles & 50–950 ramp

primary

#648CF5

secondary

#F1E4C4

accent

#A601E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CF5

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

Preview Lab → · Contrast checker → · Palette generator →