#81D3EF
Closest named color: Sky Blue (#87CEEB). oklch(82.4% 0.089 221.9), rgb(129, 211, 239).
Aa
Black text reads best on this color (12.49:1).
About this color
#81D3EF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.089 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.013 away. Black text reads best on it, at 12.49:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.49:1 |
| White text | 1.68:1 |
Values
| HEX | #81D3EF |
| RGB | rgb(129, 211, 239) |
| HSL | hsl(195, 77%, 72%) |
| OKLCH | oklch(82.4% 0.089 221.9) |
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 #81D3EF | 1.68:1 | Fails | Lc -33.4 | Non-text elements, placeholder text |
| Black text on #81D3EF | 12.49:1 | AAA | Lc 74.2 | Content text, not long reading |
| #81D3EF text on white | 1.68:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #81D3EF text on black | 12.49:1 | AAA | Lc -73.2 | 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
#EDF7FB
oklch(97% 0.012 223.5)
-
Step 100
100
#D8EEF6
oklch(93.5% 0.026 221.6)
-
Step 200
200
#B6E1F1
oklch(88.4% 0.05 222.5)
-
Step 300
300 (this color)
#81D3EF
oklch(82.4% 0.089 221.9)
-
Step 400
400
#00B2DA
oklch(70.7% 0.13 221.5)
-
Step 500
500
#0098BC
oklch(63% 0.117 222.5)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#81D3EF 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) | #C2CFF1 | 0.073 |
| Deuteranopia (no green cones) | #B2C2EF | 0.067 |
| Tritanopia (no blue cones) | #4BDCDC | 0.058 |
| Achromatopsia (no color) | #C8C8C8 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D3EF
#81D3EF
oklch(82.4% 0.089 221.9)
- #F8B398
#F8B398
oklch(82.5% 0.089 42.3)
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 #81D3EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.013
- Light Sky Blue #87CEFA ΔE 0.025
- Sky #82CAFC ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Light Blue #ADD8E6 ΔE 0.051
- Vivid Sky Blue #4CC9F0 ΔE 0.053
Use #81D3EF 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.