#668AE2#668AE2
#668AE2 is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.7% C 0.138 H 265.9°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).
Color values
| HEX | #668AE2 |
|---|---|
| RGB | rgb(102, 138, 226) |
| HSL | hsl(223, 68%, 64%) |
| HSV | hsv(223, 55%, 89%) |
| CMYK | cmyk(54.9%, 38.9%, 0%, 11.4%) |
| CIE-LAB | lab(58.50, 12.72, -48.62) |
| CIE-LCH | lch(58.50, 50.26, 284.66°) |
| OKLab | oklab(64.66% -0.0099 -0.1378) |
| OKLCH | oklch(64.66% 0.138 265.9) |
| XYZ | xyz(28.2908, 26.4906, 75.5591) |
| Luminance | 0.2649 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 1.10
Cornflowerblue
#6495ED
ΔE00 3.98
Faded Blue
#658CBB
ΔE00 4.57
Dodger Blue
#3E82FC
ΔE00 4.78
Dark Sky Blue
#448EE4
ΔE00 5.98
Lightish Blue
#3D7AFD
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668AE2 #E2BE66
analogous
#66C8E2 #668AE2 #8066E2
triadic
#668AE2 #E2668A #8AE266
tetradic
#668AE2 #E266C8 #E2BE66 #66E280
square
#668AE2 #E266C8 #E2BE66 #66E280
split-complementary
#668AE2 #E28066 #C8E266
monochromatic
#2149AD #3363D8 #668AE2 #99B1EC #CDD9F6
Accessibility & contrast
On white
3.33
#668AE2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.30
#668AE2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668AE2
6.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668AE2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668AE2 | 1.00 | 3.33 | 6.30 | 6.30 |
| #FFFFFF | 3.33 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6693E5
Deuteranopia (green-blind)
#5687E0
Tritanopia (blue-blind)
#1C9DAB
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #668ae2; /* rgb */ color: rgb(102, 138, 226); /* oklch */ color: oklch(64.7% 0.138 265.9);
Tailwind
colors: {
custom: {
50: '#9aabeb',
500: '#668ae2',
950: '#000000',
},
}SCSS
$custom: #668ae2; $custom-light: #9aabeb; $custom-dark: #000000;
JSON
{
"hex": "#668ae2",
"rgb": {
"r": 102,
"g": 138,
"b": 226
},
"hsl": {
"h": 222.581,
"s": 68.132,
"l": 64.314
},
"oklch": {
"l": 0.64656,
"c": 0.13819,
"h": 265.9
},
"luminance": 0.26493
}Semantic roles & 50–950 ramp
primary
#668AE2
secondary
#E7DBBC
accent
#9A15D0
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0F1016
muted
#7E7F84