#647BF4#647BF4
#647BF4 is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.7% C 0.182 H 272.1°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).
Color values
| HEX | #647BF4 |
|---|---|
| RGB | rgb(100, 123, 244) |
| HSL | hsl(230, 87%, 67%) |
| HSV | hsv(230, 59%, 96%) |
| CMYK | cmyk(59%, 49.6%, 0%, 4.3%) |
| CIE-LAB | lab(55.49, 27.16, -63.45) |
| CIE-LCH | lch(55.49, 69.02, 293.18°) |
| OKLab | oklab(62.65% 0.0065 -0.1816) |
| OKLCH | oklch(62.65% 0.182 272.1) |
| XYZ | xyz(28.6622, 23.4046, 88.5775) |
| Luminance | 0.2341 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 1.43
Lightish Blue
#3D7AFD
ΔE00 4.52
Soft Blue
#6488EA
ΔE00 4.65
Dodger Blue
#3E82FC
ΔE00 5.90
Cornflower Blue
#5170D7
ΔE00 5.95
Clear Blue
#247AFD
ΔE00 6.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#647BF4 #F4DD64
analogous
#64C3F4 #647BF4 #9564F4
triadic
#647BF4 #F4647B #7BF464
tetradic
#647BF4 #F464C3 #F4DD64 #64F495
square
#647BF4 #F464C3 #F4DD64 #64F495
split-complementary
#647BF4 #F49564 #C3F464
monochromatic
#0F2DCF #2B4AF0 #647BF4 #9DACF8 #D6DCFC
Accessibility & contrast
On white
3.70
#647BF4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.68
#647BF4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #647BF4
5.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##647BF4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##647BF4 | 1.00 | 3.70 | 5.68 | 5.68 |
| #FFFFFF | 3.70 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A8BF8
Deuteranopia (green-blind)
#1B7FF1
Tritanopia (blue-blind)
#0097AC
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #647bf4; /* rgb */ color: rgb(100, 123, 244); /* oklch */ color: oklch(62.7% 0.182 272.1);
Tailwind
colors: {
custom: {
50: '#9ca0f8',
500: '#647bf4',
950: '#000000',
},
}SCSS
$custom: #647bf4; $custom-light: #9ca0f8; $custom-dark: #000000;
JSON
{
"hex": "#647bf4",
"rgb": {
"r": 100,
"g": 123,
"b": 244
},
"hsl": {
"h": 230.417,
"s": 86.747,
"l": 67.451
},
"oklch": {
"l": 0.62652,
"c": 0.18168,
"h": 272.1
},
"luminance": 0.23407
}Semantic roles & 50–950 ramp
primary
#647BF4
secondary
#F0E9C3
accent
#BF02E3
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0E17
muted
#7F7E85