#81CCFD
Closest named color: Sky (#82CAFC). oklch(81.5% 0.102 238.4), rgb(129, 204, 253).
Aa
Black text reads best on this color (11.98:1).
About this color
#81CCFD is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.102 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Sky (#82CAFC), ΔE 0.005 away. Black text reads best on it, at 11.98:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Sky (#82CAFC) |
| Black text | 11.98:1 |
| White text | 1.75:1 |
Values
| HEX | #81CCFD |
| RGB | rgb(129, 204, 253) |
| HSL | hsl(204, 97%, 75%) |
| OKLCH | oklch(81.5% 0.102 238.4) |
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 #81CCFD | 1.75:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #81CCFD | 11.98:1 | AAA | Lc 72.0 | Content text, not long reading |
| #81CCFD text on white | 1.75:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #81CCFD text on black | 11.98:1 | AAA | Lc -70.9 | 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
#EDF7FE
oklch(97.1% 0.014 238)
-
Step 100
100
#D9EDFC
oklch(93.6% 0.029 240.2)
-
Step 200
200
#B7DFFB
oklch(88.4% 0.057 238.8)
-
Step 300
300 (this color)
#81CCFD
oklch(81.5% 0.102 238.4)
-
Step 400
400
#00ACF7
oklch(70.7% 0.158 238.5)
-
Step 500
500
#0093D4
oklch(63% 0.141 238.5)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
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)
#81CCFD 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) | #B6CBFF | 0.059 |
| Deuteranopia (no green cones) | #A5BEFC | 0.050 |
| Tritanopia (no blue cones) | #42D8DC | 0.081 |
| Achromatopsia (no color) | #C4C4C4 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81CCFD
#81CCFD
oklch(81.5% 0.102 238.4)
- #F4B27F
#F4B27F
oklch(81.4% 0.102 58.4)
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 #81CCFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky #82CAFC ΔE 0.005
- Light Sky Blue #87CEFA ΔE 0.010
- Lightblue #7BC8F6 ΔE 0.015
- Sky Blue #87CEEB ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.037
- Pastel Blue #A2BFFE ΔE 0.047
- Vivid Sky Blue #4CC9F0 ΔE 0.049
- Light Cornflower Blue #98C1D9 ΔE 0.053
Use #81CCFD 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.