#668CBE#668CBE
#668CBE is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.2% C 0.087 H 255.6°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).
Color values
| HEX | #668CBE |
|---|---|
| RGB | rgb(102, 140, 190) |
| HSL | hsl(214, 40%, 57%) |
| HSV | hsv(214, 46%, 75%) |
| CMYK | cmyk(46.3%, 26.3%, 0%, 25.5%) |
| CIE-LAB | lab(57.36, 0.46, -30.16) |
| CIE-LCH | lch(57.36, 30.16, 270.87°) |
| OKLab | oklab(63.22% -0.0217 -0.0842) |
| OKLCH | oklch(63.22% 0.087 255.6) |
| XYZ | xyz(24.1487, 25.2971, 52.3155) |
| Luminance | 0.2530 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.65
Dusty Blue
#5A86AD
ΔE00 4.19
Off Blue
#5684AE
ΔE00 4.50
Soft Blue
#6488EA
ΔE00 4.94
Cool Blue
#4984B8
ΔE00 5.36
Dark Sky Blue
#448EE4
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668CBE #BE9866
analogous
#66B8BE #668CBE #6C66BE
triadic
#668CBE #BE668C #8CBE66
tetradic
#668CBE #BE66B8 #BE9866 #66BE6C
square
#668CBE #BE66B8 #BE9866 #66BE6C
split-complementary
#668CBE #BE6C66 #B8BE66
monochromatic
#335077 #456DA2 #668CBE #91ACD0 #BCCDE2
Accessibility & contrast
On white
3.47
#668CBE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.06
#668CBE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668CBE
6.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668CBE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668CBE | 1.00 | 3.47 | 6.06 | 6.06 |
| #FFFFFF | 3.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.06 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.06 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#798EC0
Deuteranopia (green-blind)
#6E86BD
Tritanopia (blue-blind)
#42979D
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #668cbe; /* rgb */ color: rgb(102, 140, 190); /* oklch */ color: oklch(63.2% 0.087 255.6);
Tailwind
colors: {
custom: {
50: '#96add1',
500: '#668cbe',
950: '#000000',
},
}SCSS
$custom: #668cbe; $custom-light: #96add1; $custom-dark: #000000;
JSON
{
"hex": "#668cbe",
"rgb": {
"r": 102,
"g": 140,
"b": 190
},
"hsl": {
"h": 214.091,
"s": 40.367,
"l": 57.255
},
"oklch": {
"l": 0.63219,
"c": 0.08696,
"h": 255.6
},
"luminance": 0.25299
}Semantic roles & 50–950 ramp
primary
#668CBE
secondary
#D2C2AE
accent
#9C58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82