#668EEA#668EEA
#668EEA is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.9% C 0.144 H 265.0°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).
Color values
| HEX | #668EEA |
|---|---|
| RGB | rgb(102, 142, 234) |
| HSL | hsl(222, 76%, 66%) |
| HSV | hsv(222, 56%, 92%) |
| CMYK | cmyk(56.4%, 39.3%, 0%, 8.2%) |
| CIE-LAB | lab(59.99, 12.90, -50.71) |
| CIE-LCH | lch(59.99, 52.32, 284.27°) |
| OKLab | oklab(65.94% -0.0127 -0.1439) |
| OKLCH | oklch(65.94% 0.144 265) |
| XYZ | xyz(29.9987, 28.1089, 81.6707) |
| Luminance | 0.2811 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 1.94
Cornflowerblue
#6495ED
ΔE00 2.55
Dodger Blue
#3E82FC
ΔE00 4.93
Faded Blue
#658CBB
ΔE00 5.15
Dark Sky Blue
#448EE4
ΔE00 5.51
Lightish Blue
#3D7AFD
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668EEA #EAC266
analogous
#66D0EA #668EEA #8066EA
triadic
#668EEA #EA668E #8EEA66
tetradic
#668EEA #EA66D0 #EAC266 #66EA80
square
#668EEA #EA66D0 #EAC266 #66EA80
split-complementary
#668EEA #EA8066 #D0EA66
monochromatic
#1A4BBC #3066E3 #668EEA #9CB6F1 #D2DDF9
Accessibility & contrast
On white
3.17
#668EEA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.62
#668EEA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668EEA
6.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668EEA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668EEA | 1.00 | 3.17 | 6.62 | 6.62 |
| #FFFFFF | 3.17 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6797EE
Deuteranopia (green-blind)
#568BE8
Tritanopia (blue-blind)
#00A2B1
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #668eea; /* rgb */ color: rgb(102, 142, 234); /* oklch */ color: oklch(65.9% 0.144 265.0);
Tailwind
colors: {
custom: {
50: '#9baef1',
500: '#668eea',
950: '#000000',
},
}SCSS
$custom: #668eea; $custom-light: #9baef1; $custom-dark: #000000;
JSON
{
"hex": "#668eea",
"rgb": {
"r": 102,
"g": 142,
"b": 234
},
"hsl": {
"h": 221.818,
"s": 75.862,
"l": 65.882
},
"oklch": {
"l": 0.65939,
"c": 0.14446,
"h": 265
},
"luminance": 0.28111
}Semantic roles & 50–950 ramp
primary
#668EEA
secondary
#ECDEC0
accent
#9B0DD8
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1017
muted
#7F7F85