#648BF9#648BF9
#648BF9 is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.1% C 0.169 H 267.1°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).
Color values
| HEX | #648BF9 |
|---|---|
| RGB | rgb(100, 139, 249) |
| HSL | hsl(224, 93%, 68%) |
| HSV | hsv(224, 60%, 98%) |
| CMYK | cmyk(59.8%, 44.2%, 0%, 2.4%) |
| CIE-LAB | lab(59.90, 19.16, -59.13) |
| CIE-LCH | lch(59.90, 62.16, 287.95°) |
| OKLab | oklab(66.11% -0.0087 -0.1687) |
| OKLCH | oklch(66.11% 0.169 267.1) |
| XYZ | xyz(31.5812, 28.0114, 93.3466) |
| Luminance | 0.2801 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 1.90
Cornflowerblue
#6495ED
ΔE00 3.78
Dodger Blue
#3E82FC
ΔE00 4.46
Lightish Blue
#3D7AFD
ΔE00 5.92
Cornflower
#6A79F7
ΔE00 6.35
Faded Blue
#658CBB
ΔE00 6.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#648BF9 #F9D264
analogous
#64D6F9 #648BF9 #8764F9
triadic
#648BF9 #F9648B #8BF964
tetradic
#648BF9 #F964D6 #F9D264 #64F987
square
#648BF9 #F964D6 #F9D264 #64F987
split-complementary
#648BF9 #F98764 #D6F964
monochromatic
#083FDA #295FF7 #648BF9 #9FB7FB #DAE3FE
Accessibility & contrast
On white
3.18
#648BF9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.60
#648BF9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #648BF9
6.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##648BF9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##648BF9 | 1.00 | 3.18 | 6.60 | 6.60 |
| #FFFFFF | 3.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5897FD
Deuteranopia (green-blind)
#418AF7
Tritanopia (blue-blind)
#00A4B6
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #648bf9; /* rgb */ color: rgb(100, 139, 249); /* oklch */ color: oklch(66.1% 0.169 267.1);
Tailwind
colors: {
custom: {
50: '#9cacfc',
500: '#648bf9',
950: '#000000',
},
}SCSS
$custom: #648bf9; $custom-light: #9cacfc; $custom-dark: #000000;
JSON
{
"hex": "#648bf9",
"rgb": {
"r": 100,
"g": 139,
"b": 249
},
"hsl": {
"h": 224.295,
"s": 92.547,
"l": 68.431
},
"oklch": {
"l": 0.66107,
"c": 0.16891,
"h": 267.1
},
"luminance": 0.28014
}Semantic roles & 50–950 ramp
primary
#648BF9
secondary
#F3E7C6
accent
#A900E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85