#668BBE#668BBE
#668BBE is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.088 H 256.6°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #668BBE |
|---|---|
| RGB | rgb(102, 139, 190) |
| HSL | hsl(215, 40%, 57%) |
| HSV | hsv(215, 46%, 75%) |
| CMYK | cmyk(46.3%, 26.8%, 0%, 25.5%) |
| CIE-LAB | lab(57.08, 1.04, -30.60) |
| CIE-LCH | lch(57.08, 30.61, 271.94°) |
| OKLab | oklab(63% -0.0204 -0.0855) |
| OKLCH | oklch(63% 0.088 256.6) |
| XYZ | xyz(24.0033, 25.0062, 52.2671) |
| Luminance | 0.2501 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.95
Dusty Blue
#5A86AD
ΔE00 4.26
Off Blue
#5684AE
ΔE00 4.51
Soft Blue
#6488EA
ΔE00 4.87
Cool Blue
#4984B8
ΔE00 5.41
Dark Sky Blue
#448EE4
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668BBE #BE9966
analogous
#66B7BE #668BBE #6D66BE
triadic
#668BBE #BE668B #8BBE66
tetradic
#668BBE #BE66B7 #BE9966 #66BE6D
square
#668BBE #BE66B7 #BE9966 #66BE6D
split-complementary
#668BBE #BE6D66 #B7BE66
monochromatic
#334F77 #456CA2 #668BBE #91ACD0 #BCCCE2
Accessibility & contrast
On white
3.50
#668BBE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.00
#668BBE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668BBE
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668BBE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668BBE | 1.00 | 3.50 | 6.00 | 6.00 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#788EC0
Deuteranopia (green-blind)
#6D85BD
Tritanopia (blue-blind)
#42969D
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #668bbe; /* rgb */ color: rgb(102, 139, 190); /* oklch */ color: oklch(63.0% 0.088 256.6);
Tailwind
colors: {
custom: {
50: '#96acd1',
500: '#668bbe',
950: '#000000',
},
}SCSS
$custom: #668bbe; $custom-light: #96acd1; $custom-dark: #000000;
JSON
{
"hex": "#668bbe",
"rgb": {
"r": 102,
"g": 139,
"b": 190
},
"hsl": {
"h": 214.773,
"s": 40.367,
"l": 57.255
},
"oklch": {
"l": 0.62998,
"c": 0.08789,
"h": 256.6
},
"luminance": 0.25008
}Semantic roles & 50–950 ramp
primary
#668BBE
secondary
#D2C3AE
accent
#9D58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82