#81D0EA
Closest named color: Sky Blue (#87CEEB). oklch(81.6% 0.086 221), rgb(129, 208, 234).
Aa
Black text reads best on this color (12.14:1).
About this color
#81D0EA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.086 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.008 away. Black text reads best on it, at 12.14:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.14:1 |
| White text | 1.72:1 |
Values
| HEX | #81D0EA |
| RGB | rgb(129, 208, 234) |
| HSL | hsl(195, 71%, 71%) |
| OKLCH | oklch(81.6% 0.086 221) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #81D0EA | 1.72:1 | Fails | Lc -35.0 | Non-text elements, placeholder text |
| Black text on #81D0EA | 12.14:1 | AAA | Lc 72.7 | Content text, not long reading |
| #81D0EA text on white | 1.72:1 | Fails | Lc 31.2 | Non-text elements, placeholder text |
| #81D0EA text on black | 12.14:1 | AAA | Lc -71.6 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#D9EEF6
oklch(93.6% 0.025 222.6)
-
Step 200
200
#B7E1F0
oklch(88.5% 0.048 221.6)
-
Step 300
300 (this color)
#81D0EA
oklch(81.6% 0.086 221)
-
Step 400
400
#00B2D9
oklch(70.7% 0.13 221)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#81D0EA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C0CCEB | 0.071 |
| Deuteranopia (no green cones) | #B0C0EA | 0.064 |
| Tritanopia (no blue cones) | #50D9D8 | 0.056 |
| Achromatopsia (no color) | #C5C5C5 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D0EA
#81D0EA
oklch(81.6% 0.086 221)
- #F4B198
#F4B198
oklch(81.7% 0.086 41.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81D0EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.008
- Light Sky Blue #87CEFA ΔE 0.027
- Lightblue #7BC8F6 ΔE 0.033
- Sky #82CAFC ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.048
- Vivid Sky Blue #4CC9F0 ΔE 0.049
- Light Blue #ADD8E6 ΔE 0.055
Use #81D0EA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.