#668CAF#668CAF
#668CAF is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.5% C 0.068 H 246.9°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).
Color values
| HEX | #668CAF |
|---|---|
| RGB | rgb(102, 140, 175) |
| HSL | hsl(209, 31%, 54%) |
| HSV | hsv(209, 42%, 69%) |
| CMYK | cmyk(41.7%, 20%, 0%, 31.4%) |
| CIE-LAB | lab(56.76, -3.88, -22.56) |
| CIE-LCH | lch(56.76, 22.89, 260.24°) |
| OKLab | oklab(62.54% -0.0267 -0.0625) |
| OKLCH | oklch(62.54% 0.068 246.9) |
| XYZ | xyz(22.5929, 24.6747, 44.1213) |
| Luminance | 0.2468 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 2.64
Faded Blue
#658CBB
ΔE00 2.75
Off Blue
#5684AE
ΔE00 3.55
Blue Grey
#758DA3
ΔE00 4.32
Greyish Blue
#5E819D
ΔE00 4.57
Cool Blue
#4984B8
ΔE00 5.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668CAF #AF8966
analogous
#66AFAD #668CAF #6668AF
triadic
#668CAF #AF668C #8CAF66
tetradic
#668CAF #AD66AF #AF8966 #68AF66
square
#668CAF #AD66AF #AF8966 #68AF66
split-complementary
#668CAF #AF6668 #AFAD66
monochromatic
#354E66 #4A6D8E #668CAF #8EAAC4 #B6C8D9
Accessibility & contrast
On white
3.54
#668CAF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.94
#668CAF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668CAF
5.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668CAF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668CAF | 1.00 | 3.54 | 5.94 | 5.94 |
| #FFFFFF | 3.54 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7E8CB1
Deuteranopia (green-blind)
#7585AE
Tritanopia (blue-blind)
#4B9498
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #668caf; /* rgb */ color: rgb(102, 140, 175); /* oklch */ color: oklch(62.5% 0.068 246.9);
Tailwind
colors: {
custom: {
50: '#95adc7',
500: '#668caf',
950: '#000000',
},
}SCSS
$custom: #668caf; $custom-light: #95adc7; $custom-dark: #000000;
JSON
{
"hex": "#668caf",
"rgb": {
"r": 102,
"g": 140,
"b": 175
},
"hsl": {
"h": 208.767,
"s": 31.33,
"l": 54.314
},
"oklch": {
"l": 0.62542,
"c": 0.06795,
"h": 246.9
},
"luminance": 0.24676
}Semantic roles & 50–950 ramp
primary
#668CAF
secondary
#C8B8A9
accent
#9260C8
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82