#66BDCC#66BDCC
#66BDCC is a light, moderate teal. Relative luminance 0.436; OKLCH L 75.0% C 0.086 H 210.0°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).
Color values
| HEX | #66BDCC |
|---|---|
| RGB | rgb(102, 189, 204) |
| HSL | hsl(189, 50%, 60%) |
| HSV | hsv(189, 50%, 80%) |
| CMYK | cmyk(50%, 7.4%, 0%, 20%) |
| CIE-LAB | lab(71.94, -22.16, -15.65) |
| CIE-LCH | lch(71.94, 27.12, 215.23°) |
| OKLab | oklab(74.96% -0.0749 -0.0432) |
| OKLCH | oklch(74.96% 0.086 210) |
| XYZ | xyz(34.5719, 43.5766, 63.7043) |
| Luminance | 0.4358 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.04
Sky Blue
#87CEEB
ΔE00 8.03
Aqua Blue
#02D8E9
ΔE00 8.28
Darkturquoise
#00CED1
ΔE00 8.93
Neon Blue
#04D9FF
ΔE00 9.26
Baby Blue
#89CFF0
ΔE00 9.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66BDCC #CC7566
analogous
#66CCA8 #66BDCC #668ACC
triadic
#66BDCC #CC66BD #BDCC66
tetradic
#66BDCC #A866CC #CC7566 #8ACC66
square
#66BDCC #A866CC #CC7566 #8ACC66
split-complementary
#66BDCC #CC668A #CCA866
monochromatic
#2E7C8A #3DA6B8 #66BDCC #94D1DB #C2E5EB
Accessibility & contrast
On white
2.16
#66BDCC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.72
#66BDCC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66BDCC
9.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66BDCC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66BDCC | 1.00 | 2.16 | 9.72 | 9.72 |
| #FFFFFF | 2.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.72 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.72 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B0B7CD
Deuteranopia (green-blind)
#A0ABCC
Tritanopia (blue-blind)
#26C4C1
Achromatopsia (no color)
#B0B0B0
Design tokens & code
CSS
--color: #66bdcc; /* rgb */ color: rgb(102, 189, 204); /* oklch */ color: oklch(75.0% 0.086 210.0);
Tailwind
colors: {
custom: {
50: '#99d1db',
500: '#66bdcc',
950: '#000000',
},
}SCSS
$custom: #66bdcc; $custom-light: #99d1db; $custom-dark: #000000;
JSON
{
"hex": "#66bdcc",
"rgb": {
"r": 102,
"g": 189,
"b": 204
},
"hsl": {
"h": 188.824,
"s": 50,
"l": 60
},
"oklch": {
"l": 0.74958,
"c": 0.08647,
"h": 210
},
"luminance": 0.4358
}Semantic roles & 50–950 ramp
primary
#66BDCC
secondary
#DBB9B3
accent
#634EDA
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283