#668BD2#668BD2
#668BD2 is a light, moderate blue. Relative luminance 0.259; OKLCH L 64.0% C 0.115 H 262.6°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).
Color values
| HEX | #668BD2 |
|---|---|
| RGB | rgb(102, 139, 210) |
| HSL | hsl(219, 55%, 61%) |
| HSV | hsv(219, 51%, 82%) |
| CMYK | cmyk(51.4%, 33.8%, 0%, 17.6%) |
| CIE-LAB | lab(57.98, 7.10, -40.48) |
| CIE-LCH | lch(57.98, 41.10, 279.95°) |
| OKLab | oklab(64% -0.0148 -0.1141) |
| OKLCH | oklch(64% 0.115 262.6) |
| XYZ | xyz(26.3411, 25.9413, 64.5794) |
| Luminance | 0.2594 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 2.86
Faded Blue
#658CBB
ΔE00 3.09
Cornflowerblue
#6495ED
ΔE00 4.33
Dark Sky Blue
#448EE4
ΔE00 5.43
Dodger Blue
#3E82FC
ΔE00 5.54
Dusty Blue
#5A86AD
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668BD2 #D2AD66
analogous
#66C1D2 #668BD2 #7766D2
triadic
#668BD2 #D2668B #8BD266
tetradic
#668BD2 #D266C1 #D2AD66 #66D277
square
#668BD2 #D266C1 #D2AD66 #66D277
split-complementary
#668BD2 #D27766 #C1D266
monochromatic
#2B4F93 #3968C2 #668BD2 #95AFE0 #C5D3EE
Accessibility & contrast
On white
3.39
#668BD2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.19
#668BD2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668BD2
6.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668BD2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668BD2 | 1.00 | 3.39 | 6.19 | 6.19 |
| #FFFFFF | 3.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6F91D5
Deuteranopia (green-blind)
#6387D0
Tritanopia (blue-blind)
#329AA5
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #668bd2; /* rgb */ color: rgb(102, 139, 210); /* oklch */ color: oklch(64.0% 0.115 262.6);
Tailwind
colors: {
custom: {
50: '#98ace0',
500: '#668bd2',
950: '#000000',
},
}SCSS
$custom: #668bd2; $custom-light: #98ace0; $custom-dark: #000000;
JSON
{
"hex": "#668bd2",
"rgb": {
"r": 102,
"g": 139,
"b": 210
},
"hsl": {
"h": 219.444,
"s": 54.545,
"l": 61.176
},
"oklch": {
"l": 0.63996,
"c": 0.11504,
"h": 262.6
},
"luminance": 0.25943
}Semantic roles & 50–950 ramp
primary
#668BD2
secondary
#DED0B6
accent
#8C23C2
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83