#81AFF3
Closest named color: Carolina Blue (#8AB8FE). oklch(74.8% 0.111 258), rgb(129, 175, 243).
Aa
Black text reads best on this color (9.35:1).
About this color
#81AFF3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.111 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.029 away. Black text reads best on it, at 9.35:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.35:1 |
| White text | 2.24:1 |
Values
| HEX | #81AFF3 |
| RGB | rgb(129, 175, 243) |
| HSL | hsl(216, 83%, 73%) |
| OKLCH | oklch(74.8% 0.111 258) |
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 #81AFF3 | 2.24:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #81AFF3 | 9.35:1 | AAA | Lc 59.8 | Large or bold text, headings |
| #81AFF3 text on white | 2.24:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #81AFF3 text on black | 9.35:1 | AAA | Lc -58.0 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A5C3EE
oklch(81% 0.069 257.4)
-
Step 400
400 (this color)
#81AFF3
oklch(74.8% 0.111 258)
-
Step 500
500
#5089DE
oklch(63.1% 0.142 258.2)
-
Step 600
600
#3371CB
oklch(55.5% 0.154 258.1)
-
Step 700
700
#255EB0
oklch(49% 0.144 258.1)
-
Step 800
800
#214D8E
oklch(42.6% 0.118 258.3)
-
Step 900
900
#204172
oklch(37.7% 0.093 258.2)
-
Step 950
950
#132643
oklch(26.9% 0.06 258.6)
#81AFF3 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) | #95B3F6 | 0.027 |
| Deuteranopia (no green cones) | #88A8F2 | 0.019 |
| Tritanopia (no blue cones) | #51BEC7 | 0.098 |
| Achromatopsia (no color) | #ADADAD | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AFF3
#81AFF3
oklch(74.8% 0.111 258)
- #D4A457
#D4A457
oklch(74.8% 0.111 77.5)
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 #81AFF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.029
- Pastel Blue #A2BFFE ΔE 0.062
- Periwinkle Blue #8F99FB ΔE 0.062
- Lightblue #7BC8F6 ΔE 0.066
- Sky #82CAFC ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.073
- Deep Sky Blue #00BFFF ΔE 0.074
- Light Cornflower Blue #98C1D9 ΔE 0.076
Use #81AFF3 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.