#81DAEF#81DAEF
#81DAEF is a very light, moderate cyan. Relative luminance 0.610; OKLCH L 84.0% C 0.090 H 214.6°. Best body text is #000000 at 13.21:1 contrast (WCAG AA passes).
Color values
| HEX | #81DAEF |
|---|---|
| RGB | rgb(129, 218, 239) |
| HSL | hsl(191, 77%, 72%) |
| HSV | hsv(191, 46%, 94%) |
| CMYK | cmyk(46%, 8.8%, 0%, 6.3%) |
| CIE-LAB | lab(82.40, -21.32, -18.60) |
| CIE-LCH | lch(82.40, 28.29, 221.11°) |
| OKLab | oklab(84% -0.0743 -0.0513) |
| OKLCH | oklch(84% 0.09 214.6) |
| XYZ | xyz(49.6988, 61.0380, 90.8072) |
| Luminance | 0.6104 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sky Blue
#87CEEB
ΔE00 4.98
Robin'S Egg
#6DEDFD
ΔE00 5.84
Baby Blue
#89CFF0
ΔE00 6.01
Robin Egg Blue
#8AF1FE
ΔE00 6.03
Ice Blue
#A5DFF9
ΔE00 6.04
Robin'S Egg Blue
#98EFF9
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#81DAEF #EF9681
analogous
#81EFCD #81DAEF #81A3EF
triadic
#81DAEF #EF81DA #DAEF81
tetradic
#81DAEF #CD81EF #EF9681 #A3EF81
square
#81DAEF #CD81EF #EF9681 #A3EF81
split-complementary
#81DAEF #EF81A3 #EFCD81
monochromatic
#1CB6DA #4BCAE8 #81DAEF #B7EAF6 #E4F7FC
Accessibility & contrast
On white
1.59
#81DAEF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
13.21
#81DAEF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #81DAEF
13.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##81DAEF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##81DAEF | 1.00 | 1.59 | 13.21 | 13.21 |
| #FFFFFF | 1.59 | 1.00 | 21.00 | 21.00 |
| #000000 | 13.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 13.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#CBD5F0
Deuteranopia (green-blind)
#B9C7EF
Tritanopia (blue-blind)
#49E2E0
Achromatopsia (no color)
#CDCDCD
Design tokens & code
CSS
--color: #81daef; /* rgb */ color: rgb(129, 218, 239); /* oklch */ color: oklch(84.0% 0.090 214.6);
Tailwind
colors: {
custom: {
50: '#ace5f4',
500: '#81daef',
950: '#000000',
},
}SCSS
$custom: #81daef; $custom-light: #ace5f4; $custom-dark: #000000;
JSON
{
"hex": "#81daef",
"rgb": {
"r": 129,
"g": 218,
"b": 239
},
"hsl": {
"h": 191.455,
"s": 77.465,
"l": 72.157
},
"oklch": {
"l": 0.83996,
"c": 0.09028,
"h": 214.6
},
"luminance": 0.61042
}Semantic roles & 50–950 ramp
primary
#81DAEF
secondary
#C9634B
accent
#330CDA
background
#FDFEFF
surface
#F7FCFE
border
#D0D5D6
text
#111517
muted
#818485