#6699CF#6699CF
#6699CF is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.9% C 0.098 H 250.8°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).
Color values
| HEX | #6699CF |
|---|---|
| RGB | rgb(102, 153, 207) |
| HSL | hsl(211, 52%, 61%) |
| HSV | hsv(211, 51%, 81%) |
| CMYK | cmyk(50.7%, 26.1%, 0%, 18.8%) |
| CIE-LAB | lab(61.75, -1.92, -32.91) |
| CIE-LCH | lch(61.75, 32.97, 266.66°) |
| OKLab | oklab(66.9% -0.0321 -0.0921) |
| OKLCH | oklch(66.9% 0.098 250.8) |
| XYZ | xyz(28.1293, 30.1101, 63.3489) |
| Luminance | 0.3011 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 3.80
Dark Sky Blue
#448EE4
ΔE00 4.58
Faded Blue
#658CBB
ΔE00 4.72
Dodgerblue
#1E90FF
ΔE00 5.69
Azure (survey)
#069AF3
ΔE00 6.33
Soft Blue
#6488EA
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6699CF #CF9C66
analogous
#66CECF #6699CF #6766CF
triadic
#6699CF #CF6699 #99CF66
tetradic
#6699CF #CF66CE #CF9C66 #66CF67
square
#6699CF #CF66CE #CF9C66 #66CF67
split-complementary
#6699CF #CF6766 #CECF66
monochromatic
#2D5C8E #3B7ABD #6699CF #95B8DE #C3D7EC
Accessibility & contrast
On white
2.99
#6699CF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.02
#6699CF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #6699CF
7.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6699CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6699CF | 1.00 | 2.99 | 7.02 | 7.02 |
| #FFFFFF | 2.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#839BD1
Deuteranopia (green-blind)
#7691CE
Tritanopia (blue-blind)
#31A5AC
Achromatopsia (no color)
#959595
Design tokens & code
CSS
--color: #6699cf; /* rgb */ color: rgb(102, 153, 207); /* oklch */ color: oklch(66.9% 0.098 250.8);
Tailwind
colors: {
custom: {
50: '#98b6de',
500: '#6699cf',
950: '#000000',
},
}SCSS
$custom: #6699cf; $custom-light: #98b6de; $custom-dark: #000000;
JSON
{
"hex": "#6699cf",
"rgb": {
"r": 102,
"g": 153,
"b": 207
},
"hsl": {
"h": 210.857,
"s": 52.239,
"l": 60.588
},
"oklch": {
"l": 0.66897,
"c": 0.09754,
"h": 250.8
},
"luminance": 0.30112
}Semantic roles & 50–950 ramp
primary
#6699CF
secondary
#DCC9B4
accent
#7526C0
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083