#81D2FB
Closest named color: Light Sky Blue (#87CEFA). oklch(82.7% 0.098 231.7), rgb(129, 210, 251).
Aa
Black text reads best on this color (12.54:1).
About this color
#81D2FB is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.098 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.011 away. Black text reads best on it, at 12.54:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.54:1 |
| White text | 1.67:1 |
Values
| HEX | #81D2FB |
| RGB | rgb(129, 210, 251) |
| HSL | hsl(200, 94%, 75%) |
| OKLCH | oklch(82.7% 0.098 231.7) |
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 #81D2FB | 1.67:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #81D2FB | 12.54:1 | AAA | Lc 74.4 | Content text, not long reading |
| #81D2FB text on white | 1.67:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #81D2FB text on black | 12.54:1 | AAA | Lc -73.4 | 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
#D8EEFA
oklch(93.7% 0.028 231.4)
-
Step 200
200
#B6E0F7
oklch(88.4% 0.054 232.1)
-
Step 300
300 (this color)
#81D2FB
oklch(82.7% 0.098 231.7)
-
Step 400
400
#00AFEA
oklch(70.8% 0.144 231.6)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#81D2FB 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) | #BED0FD | 0.068 |
| Deuteranopia (no green cones) | #ADC2FA | 0.060 |
| Tritanopia (no blue cones) | #42DDDF | 0.073 |
| Achromatopsia (no color) | #C8C8C8 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D2FB
#81D2FB
oklch(82.7% 0.098 231.7)
- #FAB48B
#FAB48B
oklch(82.6% 0.098 51.3)
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 #81D2FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.011
- Sky Blue #87CEEB ΔE 0.022
- Sky #82CAFC ΔE 0.022
- Lightblue #7BC8F6 ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.035
- Vivid Sky Blue #4CC9F0 ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.057
- Light Blue #ADD8E6 ΔE 0.059
Use #81D2FB 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.