#81B2FA
Closest named color: Carolina Blue (#8AB8FE). oklch(75.8% 0.117 257.9), rgb(129, 178, 250).
Aa
Black text reads best on this color (9.68:1).
About this color
#81B2FA is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.117 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.020 away. Black text reads best on it, at 9.68:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #81B2FA |
| RGB | rgb(129, 178, 250) |
| HSL | hsl(216, 92%, 74%) |
| OKLCH | oklch(75.8% 0.117 257.9) |
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 #81B2FA | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #81B2FA | 9.68:1 | AAA | Lc 61.4 | Content text, not long reading |
| #81B2FA text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #81B2FA text on black | 9.68:1 | AAA | Lc -59.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300
#A4C3F0
oklch(81% 0.072 257.6)
-
Step 400
400 (this color)
#81B2FA
oklch(75.8% 0.117 257.9)
-
Step 500
500
#4C89E2
oklch(63.2% 0.149 257.9)
-
Step 600
600
#2D71D0
oklch(55.7% 0.162 257.7)
-
Step 700
700
#205EB4
oklch(49.2% 0.15 257.8)
-
Step 800
800
#1C4D92
oklch(42.7% 0.125 257.8)
-
Step 900
900
#1D4174
oklch(37.7% 0.097 257.5)
-
Step 950
950
#122644
oklch(26.9% 0.062 258.3)
#81B2FA 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) | #96B6FD | 0.028 |
| Deuteranopia (no green cones) | #88ABF8 | 0.019 |
| Tritanopia (no blue cones) | #4BC2CB | 0.104 |
| Achromatopsia (no color) | #B0B0B0 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81B2FA
#81B2FA
oklch(75.8% 0.117 257.9)
- #D9A754
#D9A754
oklch(75.8% 0.116 78.1)
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 #81B2FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.020
- Pastel Blue #A2BFFE ΔE 0.055
- Lightblue #7BC8F6 ΔE 0.061
- Sky #82CAFC ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.066
- Deep Sky Blue #00BFFF ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.075
- Vivid Sky Blue #4CC9F0 ΔE 0.077
Use #81B2FA 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.