#668AAF#668AAF
#668AAF is a light, moderate cyan. Relative luminance 0.241; OKLCH L 62.1% C 0.069 H 249.7°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).
Color values
| HEX | #668AAF |
|---|---|
| RGB | rgb(102, 138, 175) |
| HSL | hsl(210, 31%, 54%) |
| HSV | hsv(210, 42%, 69%) |
| CMYK | cmyk(41.7%, 21.1%, 0%, 31.4%) |
| CIE-LAB | lab(56.18, -2.74, -23.44) |
| CIE-LCH | lch(56.18, 23.60, 263.34°) |
| OKLab | oklab(62.09% -0.0241 -0.065) |
| OKLCH | oklch(62.09% 0.069 249.7) |
| XYZ | xyz(22.3033, 24.0956, 44.0248) |
| Luminance | 0.2410 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 2.18
Dusty Blue
#5A86AD
ΔE00 2.45
Off Blue
#5684AE
ΔE00 3.19
Greyish Blue
#5E819D
ΔE00 4.52
Blue Grey
#758DA3
ΔE00 4.76
Cool Blue
#4984B8
ΔE00 4.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668AAF #AF8B66
analogous
#66AEAF #668AAF #6766AF
triadic
#668AAF #AF668A #8AAF66
tetradic
#668AAF #AF66AE #AF8B66 #66AF67
square
#668AAF #AF66AE #AF8B66 #66AF67
split-complementary
#668AAF #AF6766 #AEAF66
monochromatic
#354D66 #4A6B8E #668AAF #8EA9C4 #B6C7D9
Accessibility & contrast
On white
3.61
#668AAF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.82
#668AAF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668AAF
5.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668AAF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668AAF | 1.00 | 3.61 | 5.82 | 5.82 |
| #FFFFFF | 3.61 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.82 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.82 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8BB1
Deuteranopia (green-blind)
#7283AE
Tritanopia (blue-blind)
#4B9296
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #668aaf; /* rgb */ color: rgb(102, 138, 175); /* oklch */ color: oklch(62.1% 0.069 249.7);
Tailwind
colors: {
custom: {
50: '#94acc7',
500: '#668aaf',
950: '#000000',
},
}SCSS
$custom: #668aaf; $custom-light: #94acc7; $custom-dark: #000000;
JSON
{
"hex": "#668aaf",
"rgb": {
"r": 102,
"g": 138,
"b": 175
},
"hsl": {
"h": 210.411,
"s": 31.33,
"l": 54.314
},
"oklch": {
"l": 0.62091,
"c": 0.06932,
"h": 249.7
},
"luminance": 0.24097
}Semantic roles & 50–950 ramp
primary
#668AAF
secondary
#C8B9A9
accent
#9560C8
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82