#648DF5#648DF5

#648DF5 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.3% C 0.161 H 266.0°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#648DF5
RGB	rgb(100, 141, 245)
HSL	hsl(223, 88%, 68%)
HSV	hsv(223, 59%, 96%)
CMYK	cmyk(59.2%, 42.4%, 0%, 3.9%)
CIE-LAB	lab(60.20, 16.66, -56.45)
CIE-LCH	lch(60.20, 58.85, 286.44°)
OKLab	oklab(66.27% -0.0114 -0.1608)
OKLCH	oklch(66.27% 0.161 266)
XYZ	xyz(31.2562, 28.3490, 90.1933)
Luminance	0.2835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DF5 #F5CC64

analogous

#64D6F5 #648DF5 #8364F5

triadic

#648DF5 #F5648D #8DF564

tetradic

#648DF5 #F564D6 #F5CC64 #64F583

square

#648DF5 #F564D6 #F5CC64 #64F583

split-complementary

#648DF5 #F58364 #D6F564

monochromatic

#0D45D1 #2B63F1 #648DF5 #9DB7F9 #D7E2FC

Accessibility & contrast

On white

3.15

#648DF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#648DF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DF5

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DF5	#FFFFFF	#000000	##000000
##648DF5	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E98F9

Deuteranopia (green-blind)

#4A8BF3

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648df5;
/* rgb */ color: rgb(100, 141, 245);
/* oklch */ color: oklch(66.3% 0.161 266.0);

Tailwind

colors: {
  custom: {
    50: '#9badf9',
    500: '#648df5',
    950: '#000000',
  },
}

SCSS

$custom: #648df5;
$custom-light: #9badf9;
$custom-dark: #000000;

JSON

{
  "hex": "#648df5",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 245
  },
  "hsl": {
    "h": 223.034,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.66268,
    "c": 0.16117,
    "h": 266
  },
  "luminance": 0.28352
}

Semantic roles & 50–950 ramp

primary

#648DF5

secondary

#F1E4C4

accent

#A401E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648DF5

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

Preview Lab → · Contrast checker → · Palette generator →