#668BBD#668BBD
#668BBD is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.087 H 256.1°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #668BBD |
|---|---|
| RGB | rgb(102, 139, 189) |
| HSL | hsl(214, 40%, 57%) |
| HSV | hsv(214, 46%, 74%) |
| CMYK | cmyk(46%, 26.5%, 0%, 25.9%) |
| CIE-LAB | lab(57.04, 0.74, -30.09) |
| CIE-LCH | lch(57.04, 30.10, 271.41°) |
| OKLab | oklab(62.95% -0.0207 -0.084) |
| OKLCH | oklch(62.95% 0.087 256.1) |
| XYZ | xyz(23.8944, 24.9626, 51.6934) |
| Luminance | 0.2496 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.83
Dusty Blue
#5A86AD
ΔE00 4.14
Off Blue
#5684AE
ΔE00 4.41
Soft Blue
#6488EA
ΔE00 4.97
Cool Blue
#4984B8
ΔE00 5.34
Dark Sky Blue
#448EE4
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668BBD #BD9866
analogous
#66B6BD #668BBD #6D66BD
triadic
#668BBD #BD668B #8BBD66
tetradic
#668BBD #BD66B6 #BD9866 #66BD6D
square
#668BBD #BD66B6 #BD9866 #66BD6D
split-complementary
#668BBD #BD6D66 #B6BD66
monochromatic
#334F76 #456CA1 #668BBD #91ABCF #BCCCE2
Accessibility & contrast
On white
3.50
#668BBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#668BBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668BBD
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668BBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668BBD | 1.00 | 3.50 | 5.99 | 5.99 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#788EBF
Deuteranopia (green-blind)
#6E85BC
Tritanopia (blue-blind)
#43969C
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #668bbd; /* rgb */ color: rgb(102, 139, 189); /* oklch */ color: oklch(63.0% 0.087 256.1);
Tailwind
colors: {
custom: {
50: '#96acd1',
500: '#668bbd',
950: '#000000',
},
}SCSS
$custom: #668bbd; $custom-light: #96acd1; $custom-dark: #000000;
JSON
{
"hex": "#668bbd",
"rgb": {
"r": 102,
"g": 139,
"b": 189
},
"hsl": {
"h": 214.483,
"s": 39.726,
"l": 57.059
},
"oklch": {
"l": 0.62951,
"c": 0.08656,
"h": 256.1
},
"luminance": 0.24964
}Semantic roles & 50–950 ramp
primary
#668BBD
secondary
#D1C2AE
accent
#9D58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82