#669DCC#669DCC
#669DCC is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.7% C 0.091 H 245.5°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).
Color values
| HEX | #669DCC |
|---|---|
| RGB | rgb(102, 157, 204) |
| HSL | hsl(208, 50%, 60%) |
| HSV | hsv(208, 50%, 80%) |
| CMYK | cmyk(50%, 23%, 0%, 20%) |
| CIE-LAB | lab(62.76, -5.08, -29.68) |
| CIE-LCH | lch(62.76, 30.11, 260.29°) |
| OKLab | oklab(67.65% -0.0378 -0.0828) |
| OKLCH | oklch(67.65% 0.091 245.5) |
| XYZ | xyz(28.4317, 31.2962, 61.6576) |
| Luminance | 0.3130 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 5.52
Dark Sky Blue
#448EE4
ΔE00 5.96
Azure (survey)
#069AF3
ΔE00 6.02
Faded Blue
#658CBB
ΔE00 6.13
Dodgerblue
#1E90FF
ΔE00 6.67
Dusty Blue
#5A86AD
ΔE00 7.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#669DCC #CC9566
analogous
#66CCC8 #669DCC #666ACC
triadic
#669DCC #CC669D #9DCC66
tetradic
#669DCC #C866CC #CC9566 #6ACC66
square
#669DCC #C866CC #CC9566 #6ACC66
split-complementary
#669DCC #CC666A #CCC866
monochromatic
#2E5F8A #3D7FB8 #669DCC #94BADB #C2D8EB
Accessibility & contrast
On white
2.89
#669DCC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.26
#669DCC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #669DCC
7.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##669DCC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##669DCC | 1.00 | 2.89 | 7.26 | 7.26 |
| #FFFFFF | 2.89 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#899ECE
Deuteranopia (green-blind)
#7C93CB
Tritanopia (blue-blind)
#33A8AD
Achromatopsia (no color)
#989898
Design tokens & code
CSS
--color: #669dcc; /* rgb */ color: rgb(102, 157, 204); /* oklch */ color: oklch(67.7% 0.091 245.5);
Tailwind
colors: {
custom: {
50: '#97b9db',
500: '#669dcc',
950: '#000000',
},
}SCSS
$custom: #669dcc; $custom-light: #97b9db; $custom-dark: #000000;
JSON
{
"hex": "#669dcc",
"rgb": {
"r": 102,
"g": 157,
"b": 204
},
"hsl": {
"h": 207.647,
"s": 50,
"l": 60
},
"oklch": {
"l": 0.6765,
"c": 0.09102,
"h": 245.5
},
"luminance": 0.31298
}Semantic roles & 50–950 ramp
primary
#669DCC
secondary
#DBC5B3
accent
#8E4EDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083