#81D1FF
Closest named color: Light Sky Blue (#87CEFA). oklch(82.6% 0.102 235.1), rgb(129, 209, 255).
Aa
Black text reads best on this color (12.49:1).
About this color
#81D1FF is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.102 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.010 away. Black text reads best on it, at 12.49:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.49:1 |
| White text | 1.68:1 |
Values
| HEX | #81D1FF |
| RGB | rgb(129, 209, 255) |
| HSL | hsl(202, 100%, 75%) |
| OKLCH | oklch(82.6% 0.102 235.1) |
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 #81D1FF | 1.68:1 | Fails | Lc -33.3 | Non-text elements, placeholder text |
| Black text on #81D1FF | 12.49:1 | AAA | Lc 74.2 | Content text, not long reading |
| #81D1FF text on white | 1.68:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #81D1FF 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
#EDF7FD
oklch(97% 0.013 233.7)
-
Step 100
100
#D8EEFB
oklch(93.7% 0.029 233.6)
-
Step 200
200
#B6E0FA
oklch(88.5% 0.057 235.5)
-
Step 300
300 (this color)
#81D1FF
oklch(82.6% 0.102 235.1)
-
Step 400
400
#00ADF0
oklch(70.6% 0.15 235.3)
-
Step 500
500
#0095CE
oklch(63.2% 0.133 234.7)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#81D1FF 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) | #BBCFFF | 0.064 |
| Deuteranopia (no green cones) | #AAC2FE | 0.055 |
| Tritanopia (no blue cones) | #3EDDE0 | 0.079 |
| Achromatopsia (no color) | #C8C8C8 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D1FF
#81D1FF
oklch(82.6% 0.102 235.1)
- #FAB585
#FAB585
oklch(82.7% 0.102 55.6)
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 #81D1FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.010
- Sky #82CAFC ΔE 0.018
- Lightblue #7BC8F6 ΔE 0.026
- Sky Blue #87CEEB ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.034
- Vivid Sky Blue #4CC9F0 ΔE 0.054
- Pastel Blue #A2BFFE ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.059
Use #81D1FF 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.