#668BD6#668BD6
#668BD6 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.2% C 0.121 H 263.4°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).
Color values
| HEX | #668BD6 |
|---|---|
| RGB | rgb(102, 139, 214) |
| HSL | hsl(220, 58%, 62%) |
| HSV | hsv(220, 52%, 84%) |
| CMYK | cmyk(52.3%, 35%, 0%, 16.1%) |
| CIE-LAB | lab(58.17, 8.35, -42.43) |
| CIE-LCH | lch(58.17, 43.24, 281.13°) |
| OKLab | oklab(64.21% -0.0138 -0.1197) |
| OKLCH | oklch(64.21% 0.121 263.4) |
| XYZ | xyz(26.8456, 26.1431, 67.2368) |
| Luminance | 0.2615 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 2.46
Faded Blue
#658CBB
ΔE00 3.45
Cornflowerblue
#6495ED
ΔE00 4.11
Dodger Blue
#3E82FC
ΔE00 5.33
Dark Sky Blue
#448EE4
ΔE00 5.47
Dusty Blue
#5A86AD
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668BD6 #D6B166
analogous
#66C3D6 #668BD6 #7966D6
triadic
#668BD6 #D6668B #8BD666
tetradic
#668BD6 #D666C3 #D6B166 #66D679
square
#668BD6 #D666C3 #D6B166 #66D679
split-complementary
#668BD6 #D67966 #C3D666
monochromatic
#294E99 #3666C9 #668BD6 #96B0E3 #C7D4F0
Accessibility & contrast
On white
3.37
#668BD6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.23
#668BD6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668BD6
6.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668BD6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668BD6 | 1.00 | 3.37 | 6.23 | 6.23 |
| #FFFFFF | 3.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D91D9
Deuteranopia (green-blind)
#6087D4
Tritanopia (blue-blind)
#2E9BA6
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #668bd6; /* rgb */ color: rgb(102, 139, 214); /* oklch */ color: oklch(64.2% 0.121 263.4);
Tailwind
colors: {
custom: {
50: '#98ace3',
500: '#668bd6',
950: '#000000',
},
}SCSS
$custom: #668bd6; $custom-light: #98ace3; $custom-dark: #000000;
JSON
{
"hex": "#668bd6",
"rgb": {
"r": 102,
"g": 139,
"b": 214
},
"hsl": {
"h": 220.179,
"s": 57.732,
"l": 61.961
},
"oklch": {
"l": 0.64207,
"c": 0.12054,
"h": 263.4
},
"luminance": 0.26145
}Semantic roles & 50–950 ramp
primary
#668BD6
secondary
#E1D3B7
accent
#8F20C5
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83