#647FF9#647FF9
#647FF9 is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.7% C 0.183 H 271.0°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).
Color values
| HEX | #647FF9 |
|---|---|
| RGB | rgb(100, 127, 249) |
| HSL | hsl(229, 93%, 68%) |
| HSV | hsv(229, 60%, 98%) |
| CMYK | cmyk(59.8%, 49%, 0%, 2.4%) |
| CIE-LAB | lab(56.81, 26.38, -64.09) |
| CIE-LCH | lch(56.81, 69.31, 292.37°) |
| OKLab | oklab(63.75% 0.0031 -0.1834) |
| OKLCH | oklch(63.75% 0.183 271) |
| XYZ | xyz(29.9381, 24.7252, 92.7989) |
| Luminance | 0.2473 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.43
Soft Blue
#6488EA
ΔE00 3.64
Lightish Blue
#3D7AFD
ΔE00 4.42
Dodger Blue
#3E82FC
ΔE00 5.17
Clear Blue
#247AFD
ΔE00 6.17
Lavender Blue
#8B88F8
ΔE00 6.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647FF9 #F9DE64
analogous
#64C9F9 #647FF9 #9364F9
triadic
#647FF9 #F9647F #7FF964
tetradic
#647FF9 #F964C9 #F9DE64 #64F993
square
#647FF9 #F964C9 #F9DE64 #64F993
split-complementary
#647FF9 #F99364 #C9F964
monochromatic
#082EDA #294EF7 #647FF9 #9FB0FB #DAE0FE
Accessibility & contrast
On white
3.53
#647FF9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.95
#647FF9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647FF9
5.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647FF9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647FF9 | 1.00 | 3.53 | 5.95 | 5.95 |
| #FFFFFF | 3.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E8FFD
Deuteranopia (green-blind)
#1F82F6
Tritanopia (blue-blind)
#009BB0
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #647ff9; /* rgb */ color: rgb(100, 127, 249); /* oklch */ color: oklch(63.7% 0.183 271.0);
Tailwind
colors: {
custom: {
50: '#9ca3fc',
500: '#647ff9',
950: '#000000',
},
}SCSS
$custom: #647ff9; $custom-light: #9ca3fc; $custom-dark: #000000;
JSON
{
"hex": "#647ff9",
"rgb": {
"r": 100,
"g": 127,
"b": 249
},
"hsl": {
"h": 229.128,
"s": 92.547,
"l": 68.431
},
"oklch": {
"l": 0.6375,
"c": 0.18344,
"h": 271
},
"luminance": 0.24728
}Semantic roles & 50–950 ramp
primary
#647FF9
secondary
#F3EBC6
accent
#BC00E6
background
#FAFAFF
surface
#F4F3FF
border
#CECDD7
text
#0F0F18
muted
#7F7F86