#81AFF0
Closest named color: Carolina Blue (#8AB8FE). oklch(74.7% 0.107 257.1), rgb(129, 175, 240).
Aa
Black text reads best on this color (9.32:1).
About this color
#81AFF0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.107 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.031 away. Black text reads best on it, at 9.32:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.32:1 |
| White text | 2.25:1 |
Values
| HEX | #81AFF0 |
| RGB | rgb(129, 175, 240) |
| HSL | hsl(215, 79%, 72%) |
| OKLCH | oklch(74.7% 0.107 257.1) |
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 #81AFF0 | 2.25:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #81AFF0 | 9.32:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #81AFF0 text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #81AFF0 text on black | 9.32:1 | AAA | Lc -57.8 | 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
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADBF2
oklch(88.6% 0.037 256)
-
Step 300
300
#A6C3EC
oklch(81% 0.066 257)
-
Step 400
400 (this color)
#81AFF0
oklch(74.7% 0.107 257.1)
-
Step 500
500
#508ADA
oklch(63.1% 0.136 256.8)
-
Step 600
600
#3372C8
oklch(55.6% 0.148 257.1)
-
Step 700
700
#265FAD
oklch(49.1% 0.138 257.3)
-
Step 800
800
#214E8C
oklch(42.7% 0.114 257.2)
-
Step 900
900
#204170
oklch(37.6% 0.09 257.5)
-
Step 950
950
#132742
oklch(27.1% 0.057 256.4)
#81AFF0 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) | #96B3F3 | 0.028 |
| Deuteranopia (no green cones) | #89A8EF | 0.019 |
| Tritanopia (no blue cones) | #53BDC6 | 0.094 |
| Achromatopsia (no color) | #ADADAD | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81AFF0
#81AFF0
oklch(74.7% 0.107 257.1)
- #D3A45B
#D3A45B
oklch(74.7% 0.107 76.9)
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 #81AFF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.062
- Periwinkle Blue #8F99FB ΔE 0.064
- Lightblue #7BC8F6 ΔE 0.066
- Light Grey Blue #9DBCD4 ΔE 0.070
- Sky #82CAFC ΔE 0.071
- Light Cornflower Blue #98C1D9 ΔE 0.074
- Deep Sky Blue #00BFFF ΔE 0.074
Use #81AFF0 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.