#66AFCD#66AFCD
#66AFCD is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.8% C 0.085 H 226.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).
Color values
| HEX | #66AFCD |
|---|---|
| RGB | rgb(102, 175, 205) |
| HSL | hsl(197, 51%, 60%) |
| HSV | hsv(197, 50%, 80%) |
| CMYK | cmyk(50.2%, 14.6%, 0%, 19.6%) |
| CIE-LAB | lab(67.94, -14.61, -22.27) |
| CIE-LCH | lch(67.94, 26.63, 236.74°) |
| OKLab | oklab(71.77% -0.0585 -0.0617) |
| OKLCH | oklch(71.77% 0.085 226.5) |
| XYZ | xyz(31.8248, 37.8899, 63.3822) |
| Luminance | 0.3789 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.80
Bluegrey
#85A3B2
ΔE00 7.87
Lightblue (survey)
#7BC8F6
ΔE00 8.23
Sky Blue
#87CEEB
ΔE00 8.38
Deepskyblue
#00BFFF
ΔE00 8.40
Turquoise Blue
#06B1C4
ΔE00 8.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66AFCD #CD8466
analogous
#66CDB8 #66AFCD #667BCD
triadic
#66AFCD #CD66AF #AFCD66
tetradic
#66AFCD #B866CD #CD8466 #7BCD66
square
#66AFCD #B866CD #CD8466 #7BCD66
split-complementary
#66AFCD #CD667B #CDB866
monochromatic
#2D708B #3D95B9 #66AFCD #94C7DC #C2DFEB
Accessibility & contrast
On white
2.45
#66AFCD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.58
#66AFCD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66AFCD
8.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66AFCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66AFCD | 1.00 | 2.45 | 8.58 | 8.58 |
| #FFFFFF | 2.45 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9FACCF
Deuteranopia (green-blind)
#90A1CD
Tritanopia (blue-blind)
#2CB8B9
Achromatopsia (no color)
#A6A6A6
Design tokens & code
CSS
--color: #66afcd; /* rgb */ color: rgb(102, 175, 205); /* oklch */ color: oklch(71.8% 0.085 226.5);
Tailwind
colors: {
custom: {
50: '#98c7dc',
500: '#66afcd',
950: '#000000',
},
}SCSS
$custom: #66afcd; $custom-light: #98c7dc; $custom-dark: #000000;
JSON
{
"hex": "#66afcd",
"rgb": {
"r": 102,
"g": 175,
"b": 205
},
"hsl": {
"h": 197.476,
"s": 50.739,
"l": 60.196
},
"oklch": {
"l": 0.7177,
"c": 0.08503,
"h": 226.5
},
"luminance": 0.37893
}Semantic roles & 50–950 ramp
primary
#66AFCD
secondary
#DBBFB4
accent
#5327BE
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1315
muted
#7E8283