#668DB5#668DB5
#668DB5 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 63.0% C 0.075 H 249.7°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).
Color values
| HEX | #668DB5 |
|---|---|
| RGB | rgb(102, 141, 181) |
| HSL | hsl(210, 35%, 55%) |
| HSV | hsv(210, 44%, 71%) |
| CMYK | cmyk(43.6%, 22.1%, 0%, 29%) |
| CIE-LAB | lab(57.28, -2.74, -25.17) |
| CIE-LCH | lch(57.28, 25.32, 263.78°) |
| OKLab | oklab(63.03% -0.0259 -0.0699) |
| OKLCH | oklch(63.03% 0.075 249.7) |
| XYZ | xyz(23.3421, 25.2093, 47.3430) |
| Luminance | 0.2521 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.49
Dusty Blue
#5A86AD
ΔE00 3.06
Off Blue
#5684AE
ΔE00 3.76
Cool Blue
#4984B8
ΔE00 4.96
Blue Grey
#758DA3
ΔE00 5.30
Greyish Blue
#5E819D
ΔE00 5.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668DB5 #B58E66
analogous
#66B4B5 #668DB5 #6666B5
triadic
#668DB5 #B5668D #8DB566
tetradic
#668DB5 #B566B4 #B58E66 #66B566
square
#668DB5 #B566B4 #B58E66 #66B566
split-complementary
#668DB5 #B56666 #B4B566
monochromatic
#34506C #486E95 #668DB5 #8FACC9 #B8CADD
Accessibility & contrast
On white
3.48
#668DB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.04
#668DB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668DB5
6.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668DB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668DB5 | 1.00 | 3.48 | 6.04 | 6.04 |
| #FFFFFF | 3.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D8EB7
Deuteranopia (green-blind)
#7386B4
Tritanopia (blue-blind)
#47969A
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #668db5; /* rgb */ color: rgb(102, 141, 181); /* oklch */ color: oklch(63.0% 0.075 249.7);
Tailwind
colors: {
custom: {
50: '#95aecb',
500: '#668db5',
950: '#000000',
},
}SCSS
$custom: #668db5; $custom-light: #95aecb; $custom-dark: #000000;
JSON
{
"hex": "#668db5",
"rgb": {
"r": 102,
"g": 141,
"b": 181
},
"hsl": {
"h": 210.38,
"s": 34.802,
"l": 55.49
},
"oklch": {
"l": 0.63031,
"c": 0.07458,
"h": 249.7
},
"luminance": 0.25211
}Semantic roles & 50–950 ramp
primary
#668DB5
secondary
#CCBCAB
accent
#955DCB
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82