#81CBFC
Closest named color: Sky (#82CAFC). oklch(81.2% 0.101 238.8), rgb(129, 203, 252).
Aa
Black text reads best on this color (11.88:1).
About this color
#81CBFC is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.101 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.003 away. Black text reads best on it, at 11.88:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 11.88:1 |
| White text | 1.76:1 |
Values
| HEX | #81CBFC |
| RGB | rgb(129, 203, 252) |
| HSL | hsl(204, 95%, 75%) |
| OKLCH | oklch(81.2% 0.101 238.8) |
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 #81CBFC | 1.76:1 | Fails | Lc -36.3 | Non-text elements, placeholder text |
| Black text on #81CBFC | 11.88:1 | AAA | Lc 71.5 | Content text, not long reading |
| #81CBFC text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #81CBFC text on black | 11.88:1 | AAA | Lc -70.4 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#D9EDFC
oklch(93.6% 0.029 240.2)
-
Step 200
200
#B8DFFB
oklch(88.5% 0.056 239.5)
-
Step 300
300 (this color)
#81CBFC
oklch(81.2% 0.101 238.8)
-
Step 400
400
#00ACF7
oklch(70.7% 0.158 238.5)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007CB4
oklch(55.7% 0.125 238.6)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A40
oklch(27% 0.06 237.8)
#81CBFC 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) | #B5CAFE | 0.058 |
| Deuteranopia (no green cones) | #A4BDFB | 0.050 |
| Tritanopia (no blue cones) | #43D7DB | 0.081 |
| Achromatopsia (no color) | #C3C3C3 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81CBFC
#81CBFC
oklch(81.2% 0.101 238.8)
- #F3B27E
#F3B27E
oklch(81.3% 0.102 59.4)
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 #81CBFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.003
- Light Sky Blue #87CEFA ΔE 0.012
- Lightblue #7BC8F6 ΔE 0.013
- Sky Blue #87CEEB ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.038
- Pastel Blue #A2BFFE ΔE 0.046
- Vivid Sky Blue #4CC9F0 ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.052
Use #81CBFC 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.