#668BB2#668BB2
#668BB2 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.4% C 0.072 H 250.3°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).
Color values
| HEX | #668BB2 |
|---|---|
| RGB | rgb(102, 139, 178) |
| HSL | hsl(211, 33%, 55%) |
| HSV | hsv(211, 43%, 70%) |
| CMYK | cmyk(42.7%, 21.9%, 0%, 30.2%) |
| CIE-LAB | lab(56.59, -2.46, -24.53) |
| CIE-LCH | lch(56.59, 24.65, 264.28°) |
| OKLab | oklab(62.45% -0.0243 -0.0681) |
| OKLCH | oklch(62.45% 0.072 250.3) |
| XYZ | xyz(22.7453, 24.5030, 45.6419) |
| Luminance | 0.2450 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.63
Dusty Blue
#5A86AD
ΔE00 2.70
Off Blue
#5684AE
ΔE00 3.38
Cool Blue
#4984B8
ΔE00 4.83
Greyish Blue
#5E819D
ΔE00 5.07
Blue Grey
#758DA3
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#668BB2 #B28D66
analogous
#66B1B2 #668BB2 #6766B2
triadic
#668BB2 #B2668B #8BB266
tetradic
#668BB2 #B266B1 #B28D66 #66B267
square
#668BB2 #B266B1 #B28D66 #66B267
split-complementary
#668BB2 #B26766 #B1B266
monochromatic
#354E69 #496C92 #668BB2 #8FAAC6 #B7C9DB
Accessibility & contrast
On white
3.56
#668BB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.90
#668BB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #668BB2
5.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##668BB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##668BB2 | 1.00 | 3.56 | 5.90 | 5.90 |
| #FFFFFF | 3.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.90 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.90 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8CB4
Deuteranopia (green-blind)
#7284B1
Tritanopia (blue-blind)
#499498
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #668bb2; /* rgb */ color: rgb(102, 139, 178); /* oklch */ color: oklch(62.4% 0.072 250.3);
Tailwind
colors: {
custom: {
50: '#95acc9',
500: '#668bb2',
950: '#000000',
},
}SCSS
$custom: #668bb2; $custom-light: #95acc9; $custom-dark: #000000;
JSON
{
"hex": "#668bb2",
"rgb": {
"r": 102,
"g": 139,
"b": 178
},
"hsl": {
"h": 210.789,
"s": 33.043,
"l": 54.902
},
"oklch": {
"l": 0.62448,
"c": 0.07233,
"h": 250.3
},
"luminance": 0.24504
}Semantic roles & 50–950 ramp
primary
#668BB2
secondary
#CABAAA
accent
#955FC9
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82