#669CCC#669CCC
#669CCC is a light, moderate cyan. Relative luminance 0.310; OKLCH L 67.4% C 0.092 H 246.5°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).
Color values
| HEX | #669CCC |
|---|---|
| RGB | rgb(102, 156, 204) |
| HSL | hsl(208, 50%, 60%) |
| HSV | hsv(208, 50%, 80%) |
| CMYK | cmyk(50%, 23.5%, 0%, 20%) |
| CIE-LAB | lab(62.47, -4.51, -30.12) |
| CIE-LCH | lch(62.47, 30.45, 261.47°) |
| OKLab | oklab(67.43% -0.0366 -0.0841) |
| OKLCH | oklch(67.43% 0.092 246.5) |
| XYZ | xyz(28.2632, 30.9592, 61.6014) |
| Luminance | 0.3096 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 5.16
Dark Sky Blue
#448EE4
ΔE00 5.62
Faded Blue
#658CBB
ΔE00 5.75
Azure (survey)
#069AF3
ΔE00 6.02
Dodgerblue
#1E90FF
ΔE00 6.41
Dusty Blue
#5A86AD
ΔE00 7.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#669CCC #CC9666
analogous
#66CCC9 #669CCC #6669CC
triadic
#669CCC #CC669C #9CCC66
tetradic
#669CCC #C966CC #CC9666 #69CC66
square
#669CCC #C966CC #CC9666 #69CC66
split-complementary
#669CCC #CC6669 #CCC966
monochromatic
#2E5F8A #3D7EB8 #669CCC #94BADB #C2D7EB
Accessibility & contrast
On white
2.92
#669CCC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.19
#669CCC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #669CCC
7.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##669CCC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##669CCC | 1.00 | 2.92 | 7.19 | 7.19 |
| #FFFFFF | 2.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#889DCE
Deuteranopia (green-blind)
#7B92CB
Tritanopia (blue-blind)
#33A7AC
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #669ccc; /* rgb */ color: rgb(102, 156, 204); /* oklch */ color: oklch(67.4% 0.092 246.5);
Tailwind
colors: {
custom: {
50: '#97b9db',
500: '#669ccc',
950: '#000000',
},
}SCSS
$custom: #669ccc; $custom-light: #97b9db; $custom-dark: #000000;
JSON
{
"hex": "#669ccc",
"rgb": {
"r": 102,
"g": 156,
"b": 204
},
"hsl": {
"h": 208.235,
"s": 50,
"l": 60
},
"oklch": {
"l": 0.67426,
"c": 0.09169,
"h": 246.5
},
"luminance": 0.30961
}Semantic roles & 50–950 ramp
primary
#669CCC
secondary
#DBC6B3
accent
#904EDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083