#669CE4#669CE4
#669CE4 is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.6% C 0.121 H 256.0°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).
Color values
| HEX | #669CE4 |
|---|---|
| RGB | rgb(102, 156, 228) |
| HSL | hsl(214, 70%, 65%) |
| HSV | hsv(214, 55%, 89%) |
| CMYK | cmyk(55.3%, 31.6%, 0%, 10.6%) |
| CIE-LAB | lab(63.51, 2.82, -41.83) |
| CIE-LCH | lch(63.51, 41.92, 273.85°) |
| OKLab | oklab(68.58% -0.0294 -0.1179) |
| OKLCH | oklch(68.58% 0.122 256) |
| XYZ | xyz(31.3667, 32.2006, 77.9461) |
| Luminance | 0.3220 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 2.62
Dark Sky Blue
#448EE4
ΔE00 5.02
Dodgerblue
#1E90FF
ΔE00 5.45
Faded Blue
#658CBB
ΔE00 6.51
Azure (survey)
#069AF3
ΔE00 6.72
Soft Blue
#6488EA
ΔE00 6.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#669CE4 #E4AE66
analogous
#66DBE4 #669CE4 #6F66E4
triadic
#669CE4 #E4669C #9CE466
tetradic
#669CE4 #E466DB #E4AE66 #66E46F
square
#669CE4 #E466DB #E4AE66 #66E46F
split-complementary
#669CE4 #E46F66 #DBE466
monochromatic
#1F5DB0 #327ADB #669CE4 #9ABEED #CEDFF6
Accessibility & contrast
On white
2.82
#669CE4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.44
#669CE4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #669CE4
7.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##669CE4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##669CE4 | 1.00 | 2.82 | 7.44 | 7.44 |
| #FFFFFF | 2.82 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.44 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.44 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7FA0E7
Deuteranopia (green-blind)
#6F94E3
Tritanopia (blue-blind)
#09ACB6
Achromatopsia (no color)
#9A9A9A
Design tokens & code
CSS
--color: #669ce4; /* rgb */ color: rgb(102, 156, 228); /* oklch */ color: oklch(68.6% 0.121 256.0);
Tailwind
colors: {
custom: {
50: '#9ab8ed',
500: '#669ce4',
950: '#000000',
},
}SCSS
$custom: #669ce4; $custom-light: #9ab8ed; $custom-dark: #000000;
JSON
{
"hex": "#669ce4",
"rgb": {
"r": 102,
"g": 156,
"b": 228
},
"hsl": {
"h": 214.286,
"s": 70,
"l": 64.706
},
"oklch": {
"l": 0.6858,
"c": 0.1215,
"h": 256
},
"luminance": 0.32203
}Semantic roles & 50–950 ramp
primary
#669CE4
secondary
#E9D6BD
accent
#8014D2
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1116
muted
#7E8084