#668DEF#668DEF
#668DEF is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.0% C 0.152 H 266.0°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).
Color values
| HEX | #668DEF |
|---|---|
| RGB | rgb(102, 141, 239) |
| HSL | hsl(223, 81%, 67%) |
| HSV | hsv(223, 57%, 94%) |
| CMYK | cmyk(57.3%, 41%, 0%, 6.3%) |
| CIE-LAB | lab(59.98, 15.10, -53.48) |
| CIE-LCH | lch(59.98, 55.57, 285.76°) |
| OKLab | oklab(66.02% -0.0106 -0.152) |
| OKLCH | oklch(66.02% 0.152 266) |
| XYZ | xyz(30.5791, 28.1041, 85.4578) |
| Luminance | 0.2811 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 1.66
Cornflowerblue
#6495ED
ΔE00 2.95
Dodger Blue
#3E82FC
ΔE00 4.78
Faded Blue
#658CBB
ΔE00 5.59
Dark Sky Blue
#448EE4
ΔE00 5.94
Lightish Blue
#3D7AFD
ΔE00 6.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668DEF #EFC866
analogous
#66D1EF #668DEF #8466EF
triadic
#668DEF #EF668D #8DEF66
tetradic
#668DEF #EF66D1 #EFC866 #66EF84
square
#668DEF #EF66D1 #EFC866 #66EF84
split-complementary
#668DEF #EF8466 #D1EF66
monochromatic
#1547C6 #2F64E9 #668DEF #9DB6F5 #D5E0FB
Accessibility & contrast
On white
3.17
#668DEF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.62
#668DEF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668DEF
6.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668DEF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668DEF | 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)
#6397F3
Deuteranopia (green-blind)
#518BED
Tritanopia (blue-blind)
#00A3B2
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #668def; /* rgb */ color: rgb(102, 141, 239); /* oklch */ color: oklch(66.0% 0.152 266.0);
Tailwind
colors: {
custom: {
50: '#9badf5',
500: '#668def',
950: '#000000',
},
}SCSS
$custom: #668def; $custom-light: #9badf5; $custom-dark: #000000;
JSON
{
"hex": "#668def",
"rgb": {
"r": 102,
"g": 141,
"b": 239
},
"hsl": {
"h": 222.92,
"s": 81.065,
"l": 66.863
},
"oklch": {
"l": 0.66021,
"c": 0.1524,
"h": 266
},
"luminance": 0.28107
}Semantic roles & 50–950 ramp
primary
#668DEF
secondary
#EEE2C2
accent
#A108DD
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F1017
muted
#7F7F85