#647DF4#647DF4
#647DF4 is a light, vivid blue. Relative luminance 0.239; OKLCH L 63.0% C 0.179 H 271.5°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).
Color values
| HEX | #647DF4 |
|---|---|
| RGB | rgb(100, 125, 244) |
| HSL | hsl(230, 87%, 67%) |
| HSV | hsv(230, 59%, 96%) |
| CMYK | cmyk(59%, 48.8%, 0%, 4.3%) |
| CIE-LAB | lab(55.99, 25.95, -62.63) |
| CIE-LCH | lch(55.99, 67.80, 292.51°) |
| OKLab | oklab(63.04% 0.0046 -0.1791) |
| OKLCH | oklch(63.04% 0.179 271.5) |
| XYZ | xyz(28.9129, 23.9059, 88.6611) |
| Luminance | 0.2391 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 1.94
Soft Blue
#6488EA
ΔE00 4.00
Lightish Blue
#3D7AFD
ΔE00 4.39
Dodger Blue
#3E82FC
ΔE00 5.47
Clear Blue
#247AFD
ΔE00 6.16
Cornflower Blue
#5170D7
ΔE00 6.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647DF4 #F4DB64
analogous
#64C5F4 #647DF4 #9364F4
triadic
#647DF4 #F4647D #7DF464
tetradic
#647DF4 #F464C5 #F4DB64 #64F493
square
#647DF4 #F464C5 #F4DB64 #64F493
split-complementary
#647DF4 #F49364 #C5F464
monochromatic
#0F30CF #2B4DF0 #647DF4 #9DADF8 #D6DDFC
Accessibility & contrast
On white
3.63
#647DF4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.78
#647DF4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647DF4
5.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647DF4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647DF4 | 1.00 | 3.63 | 5.78 | 5.78 |
| #FFFFFF | 3.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.78 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.78 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F8DF8
Deuteranopia (green-blind)
#2380F2
Tritanopia (blue-blind)
#0098AD
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #647df4; /* rgb */ color: rgb(100, 125, 244); /* oklch */ color: oklch(63.0% 0.179 271.5);
Tailwind
colors: {
custom: {
50: '#9ca2f8',
500: '#647df4',
950: '#000000',
},
}SCSS
$custom: #647df4; $custom-light: #9ca2f8; $custom-dark: #000000;
JSON
{
"hex": "#647df4",
"rgb": {
"r": 100,
"g": 125,
"b": 244
},
"hsl": {
"h": 229.583,
"s": 86.747,
"l": 67.451
},
"oklch": {
"l": 0.63036,
"c": 0.1792,
"h": 271.5
},
"luminance": 0.23908
}Semantic roles & 50–950 ramp
primary
#647DF4
secondary
#F0E9C3
accent
#BC02E3
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0F17
muted
#7F7E85