#647EEF#647EEF
#647EEF is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.9% C 0.171 H 271.0°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).
Color values
| HEX | #647EEF |
|---|---|
| RGB | rgb(100, 126, 239) |
| HSL | hsl(229, 81%, 66%) |
| HSV | hsv(229, 58%, 94%) |
| CMYK | cmyk(58.2%, 47.3%, 0%, 6.3%) |
| CIE-LAB | lab(55.95, 23.72, -59.93) |
| CIE-LCH | lch(55.95, 64.46, 291.59°) |
| OKLab | oklab(62.9% 0.003 -0.1712) |
| OKLCH | oklch(62.9% 0.171 271) |
| XYZ | xyz(28.2912, 23.8608, 84.7594) |
| Luminance | 0.2386 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.49
Soft Blue
#6488EA
ΔE00 3.52
Lightish Blue
#3D7AFD
ΔE00 4.37
Dodger Blue
#3E82FC
ΔE00 5.25
Clear Blue
#247AFD
ΔE00 6.05
Cornflower Blue
#5170D7
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647EEF #EFD564
analogous
#64C4EF #647EEF #9064EF
triadic
#647EEF #EF647E #7EEF64
tetradic
#647EEF #EF64C4 #EFD564 #64EF90
square
#647EEF #EF64C4 #EFD564 #64EF90
split-complementary
#647EEF #EF9064 #C4EF64
monochromatic
#1435C4 #2D50E9 #647EEF #9BACF5 #D3DAFA
Accessibility & contrast
On white
3.64
#647EEF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.77
#647EEF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647EEF
5.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647EEF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647EEF | 1.00 | 3.64 | 5.77 | 5.77 |
| #FFFFFF | 3.64 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#478CF3
Deuteranopia (green-blind)
#3080ED
Tritanopia (blue-blind)
#0097AB
Achromatopsia (no color)
#868686
Design tokens & code
CSS
--color: #647eef; /* rgb */ color: rgb(100, 126, 239); /* oklch */ color: oklch(62.9% 0.171 271.0);
Tailwind
colors: {
custom: {
50: '#9ba3f5',
500: '#647eef',
950: '#000000',
},
}SCSS
$custom: #647eef; $custom-light: #9ba3f5; $custom-dark: #000000;
JSON
{
"hex": "#647eef",
"rgb": {
"r": 100,
"g": 126,
"b": 239
},
"hsl": {
"h": 228.777,
"s": 81.287,
"l": 66.471
},
"oklch": {
"l": 0.62904,
"c": 0.17121,
"h": 271
},
"luminance": 0.23863
}Semantic roles & 50–950 ramp
primary
#647EEF
secondary
#EEE6C1
accent
#B608DE
background
#FAF9FF
surface
#F4F2FE
border
#CECCD6
text
#0F0F17
muted
#7F7E85