#669CC8#669CC8
#669CC8 is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.2% C 0.087 H 244.2°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).
Color values
| HEX | #669CC8 |
|---|---|
| RGB | rgb(102, 156, 200) |
| HSL | hsl(207, 47%, 59%) |
| HSV | hsv(207, 49%, 78%) |
| CMYK | cmyk(49%, 22%, 0%, 21.6%) |
| CIE-LAB | lab(62.31, -5.70, -28.13) |
| CIE-LCH | lch(62.31, 28.70, 258.55°) |
| OKLab | oklab(67.25% -0.0379 -0.0784) |
| OKLCH | oklch(67.25% 0.087 244.2) |
| XYZ | xyz(27.7896, 30.7698, 59.1071) |
| Luminance | 0.3077 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 5.87
Faded Blue
#658CBB
ΔE00 5.95
Dark Sky Blue
#448EE4
ΔE00 6.14
Azure (survey)
#069AF3
ΔE00 6.33
Dodgerblue
#1E90FF
ΔE00 6.95
Greyblue
#77A1B5
ΔE00 7.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#669CC8 #C89266
analogous
#66C8C3 #669CC8 #666BC8
triadic
#669CC8 #C8669C #9CC866
tetradic
#669CC8 #C366C8 #C89266 #6BC866
square
#669CC8 #C366C8 #C89266 #6BC866
split-complementary
#669CC8 #C8666B #C8C366
monochromatic
#2F5E84 #407EB1 #669CC8 #93B9D8 #C0D6E8
Accessibility & contrast
On white
2.94
#669CC8 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.15
#669CC8 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #669CC8
7.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##669CC8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##669CC8 | 1.00 | 2.94 | 7.15 | 7.15 |
| #FFFFFF | 2.94 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.15 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.15 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#899CCA
Deuteranopia (green-blind)
#7C92C7
Tritanopia (blue-blind)
#37A7AB
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #669cc8; /* rgb */ color: rgb(102, 156, 200); /* oklch */ color: oklch(67.2% 0.087 244.2);
Tailwind
colors: {
custom: {
50: '#97b9d9',
500: '#669cc8',
950: '#000000',
},
}SCSS
$custom: #669cc8; $custom-light: #97b9d9; $custom-dark: #000000;
JSON
{
"hex": "#669cc8",
"rgb": {
"r": 102,
"g": 156,
"b": 200
},
"hsl": {
"h": 206.939,
"s": 47.115,
"l": 59.216
},
"oklch": {
"l": 0.67247,
"c": 0.08707,
"h": 244.2
},
"luminance": 0.30772
}Semantic roles & 50–950 ramp
primary
#669CC8
secondary
#D8C3B2
accent
#8D51D7
background
#F9FBFD
surface
#F2F6FA
border
#CCD0D3
text
#0E1114
muted
#7E8083