#81DDFC#81DDFC
#81DDFC is a very light, moderate cyan. Relative luminance 0.634; OKLCH L 85.1% C 0.098 H 221.9°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).
Color values
| HEX | #81DDFC |
|---|---|
| RGB | rgb(129, 221, 252) |
| HSL | hsl(195, 95%, 75%) |
| HSV | hsv(195, 49%, 99%) |
| CMYK | cmyk(48.8%, 12.3%, 0%, 1.2%) |
| CIE-LAB | lab(83.65, -19.37, -23.59) |
| CIE-LCH | lch(83.65, 30.52, 230.61°) |
| OKLab | oklab(85.14% -0.0728 -0.0652) |
| OKLCH | oklch(85.14% 0.098 221.9) |
| XYZ | xyz(52.4738, 63.4040, 101.5496) |
| Luminance | 0.6341 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sky Blue
#87CEEB
ΔE00 3.98
Baby Blue
#89CFF0
ΔE00 4.30
Ice Blue
#A5DFF9
ΔE00 4.60
Neon Blue
#04D9FF
ΔE00 5.82
Lightskyblue
#87CEFA
ΔE00 6.54
Bright Sky Blue
#02CCFE
ΔE00 7.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#81DDFC #FCA081
analogous
#81FCDE #81DDFC #81A0FC
triadic
#81DDFC #FC81DD #DDFC81
tetradic
#81DDFC #DE81FC #FCA081 #A0FC81
square
#81DDFC #DE81FC #FCA081 #A0FC81
split-complementary
#81DDFC #FC81A0 #FCDE81
monochromatic
#09BDF9 #45CDFB #81DDFC #BDEDFD #E1F7FE
Accessibility & contrast
On white
1.53
#81DDFC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
13.68
#81DDFC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #81DDFC
13.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##81DDFC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##81DDFC | 1.00 | 1.53 | 13.68 | 13.68 |
| #FFFFFF | 1.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 13.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 13.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#CBD8FE
Deuteranopia (green-blind)
#B8CAFC
Tritanopia (blue-blind)
#3DE7E7
Achromatopsia (no color)
#D0D0D0
Design tokens & code
CSS
--color: #81ddfc; /* rgb */ color: rgb(129, 221, 252); /* oklch */ color: oklch(85.1% 0.098 221.9);
Tailwind
colors: {
custom: {
50: '#ade7fd',
500: '#81ddfc',
950: '#000000',
},
}SCSS
$custom: #81ddfc; $custom-light: #ade7fd; $custom-dark: #000000;
JSON
{
"hex": "#81ddfc",
"rgb": {
"r": 129,
"g": 221,
"b": 252
},
"hsl": {
"h": 195.122,
"s": 95.349,
"l": 74.706
},
"oklch": {
"l": 0.85138,
"c": 0.09777,
"h": 221.9
},
"luminance": 0.63408
}Semantic roles & 50–950 ramp
primary
#81DDFC
secondary
#DA6C47
accent
#3A00E6
background
#FDFEFF
surface
#F8FCFF
border
#D1D5D7
text
#111617
muted
#818485