#668EF9#668EF9
#668EF9 is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.8% C 0.165 H 266.6°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).
Color values
| HEX | #668EF9 |
|---|---|
| RGB | rgb(102, 142, 249) |
| HSL | hsl(224, 92%, 69%) |
| HSV | hsv(224, 59%, 98%) |
| CMYK | cmyk(59%, 43%, 0%, 2.4%) |
| CIE-LAB | lab(60.79, 17.74, -57.71) |
| CIE-LCH | lch(60.79, 60.37, 287.09°) |
| OKLab | oklab(66.82% -0.0099 -0.1644) |
| OKLCH | oklch(66.82% 0.165 266.6) |
| XYZ | xyz(32.2456, 29.0076, 93.5039) |
| Luminance | 0.2901 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 2.47
Cornflowerblue
#6495ED
ΔE00 3.04
Dodger Blue
#3E82FC
ΔE00 5.00
Dark Sky Blue
#448EE4
ΔE00 6.39
Faded Blue
#658CBB
ΔE00 6.48
Lightish Blue
#3D7AFD
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668EF9 #F9D166
analogous
#66D8F9 #668EF9 #8866F9
triadic
#668EF9 #F9668E #8EF966
tetradic
#668EF9 #F966D8 #F9D166 #66F988
square
#668EF9 #F966D8 #F9D166 #66F988
split-complementary
#668EF9 #F98866 #D8F966
monochromatic
#0942DC #2B63F7 #668EF9 #A1B9FB #DCE5FE
Accessibility & contrast
On white
3.09
#668EF9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.80
#668EF9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668EF9
6.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668EF9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668EF9 | 1.00 | 3.09 | 6.80 | 6.80 |
| #FFFFFF | 3.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.80 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.80 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E9AFD
Deuteranopia (green-blind)
#488CF7
Tritanopia (blue-blind)
#00A6B7
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #668ef9; /* rgb */ color: rgb(102, 142, 249); /* oklch */ color: oklch(66.8% 0.165 266.6);
Tailwind
colors: {
custom: {
50: '#9daefc',
500: '#668ef9',
950: '#000000',
},
}SCSS
$custom: #668ef9; $custom-light: #9daefc; $custom-dark: #000000;
JSON
{
"hex": "#668ef9",
"rgb": {
"r": 102,
"g": 142,
"b": 249
},
"hsl": {
"h": 223.673,
"s": 92.453,
"l": 68.824
},
"oklch": {
"l": 0.66816,
"c": 0.16472,
"h": 266.6
},
"luminance": 0.2901
}Semantic roles & 50–950 ramp
primary
#668EF9
secondary
#F3E7C8
accent
#A700E6
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85