#647FEC#647FEC
#647FEC is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.9% C 0.166 H 270.6°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #647FEC |
|---|---|
| RGB | rgb(100, 127, 236) |
| HSL | hsl(228, 78%, 66%) |
| HSV | hsv(228, 58%, 93%) |
| CMYK | cmyk(57.6%, 46.2%, 0%, 7.5%) |
| CIE-LAB | lab(56.03, 22.14, -58.13) |
| CIE-LCH | lch(56.03, 62.21, 290.85°) |
| OKLab | oklab(62.91% 0.0016 -0.1659) |
| OKLCH | oklch(62.91% 0.166 270.6) |
| XYZ | xyz(27.9802, 23.9420, 82.4874) |
| Luminance | 0.2394 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.97
Soft Blue
#6488EA
ΔE00 3.12
Lightish Blue
#3D7AFD
ΔE00 4.41
Dodger Blue
#3E82FC
ΔE00 5.09
Clear Blue
#247AFD
ΔE00 6.00
Cornflower Blue
#5170D7
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647FEC #ECD164
analogous
#64C3EC #647FEC #8D64EC
triadic
#647FEC #EC647F #7FEC64
tetradic
#647FEC #EC64C3 #ECD164 #64EC8D
square
#647FEC #EC64C3 #ECD164 #64EC8D
split-complementary
#647FEC #EC8D64 #C3EC64
monochromatic
#1738BE #2D52E5 #647FEC #9BACF3 #D1D9F9
Accessibility & contrast
On white
3.63
#647FEC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.79
#647FEC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647FEC
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647FEC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647FEC | 1.00 | 3.63 | 5.79 | 5.79 |
| #FFFFFF | 3.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.79 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.79 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B8DF0
Deuteranopia (green-blind)
#3781EA
Tritanopia (blue-blind)
#0097AA
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #647fec; /* rgb */ color: rgb(100, 127, 236); /* oklch */ color: oklch(62.9% 0.166 270.6);
Tailwind
colors: {
custom: {
50: '#9aa3f3',
500: '#647fec',
950: '#000000',
},
}SCSS
$custom: #647fec; $custom-light: #9aa3f3; $custom-dark: #000000;
JSON
{
"hex": "#647fec",
"rgb": {
"r": 100,
"g": 127,
"b": 236
},
"hsl": {
"h": 228.088,
"s": 78.161,
"l": 65.882
},
"oklch": {
"l": 0.6291,
"c": 0.16589,
"h": 270.6
},
"luminance": 0.23944
}Semantic roles & 50–950 ramp
primary
#647FEC
secondary
#ECE3BF
accent
#B10BDA
background
#FAFAFE
surface
#F3F3FD
border
#CDCDD5
text
#0F0F17
muted
#7F7F85