#AAD3FB
Closest named color: Baby Blue (#A2CFFE). oklch(85.1% 0.071 248), rgb(170, 211, 251).
Aa
Black text reads best on this color (13.41:1).
About this color
#AAD3FB is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.071 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.016 away. Black text reads best on it, at 13.41:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.41:1 |
| White text | 1.56:1 |
Values
| HEX | #AAD3FB |
| RGB | rgb(170, 211, 251) |
| HSL | hsl(210, 91%, 83%) |
| OKLCH | oklch(85.1% 0.071 248) |
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 #AAD3FB | 1.56:1 | Fails | Lc -29.2 | Dividers and decoration only |
| Black text on #AAD3FB | 13.41:1 | AAA | Lc 78.0 | Fine for body text |
| #AAD3FB text on white | 1.56:1 | Fails | Lc 25.8 | Dividers and decoration only |
| #AAD3FB text on black | 13.41:1 | AAA | Lc -77.3 | Fine for body text |
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 200.
-
Step 50
50
#EFF6FD
oklch(97% 0.012 248)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200 (this color)
#AAD3FB
oklch(85.1% 0.071 248)
-
Step 300
300
#91C6F9
oklch(80.8% 0.091 248.1)
-
Step 400
400
#4BA6F6
oklch(70.6% 0.146 248.1)
-
Step 500
500
#008EEA
oklch(63.2% 0.17 248)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900
#004474
oklch(37.7% 0.101 247.8)
-
Step 950
950
#002848
oklch(27% 0.073 248.1)
#AAD3FB 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) | #C4D3FD | 0.032 |
| Deuteranopia (no green cones) | #BACBFA | 0.027 |
| Tritanopia (no blue cones) | #91DCE0 | 0.059 |
| Achromatopsia (no color) | #CFCFCF | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD3FB
#AAD3FB
oklch(85.1% 0.071 248)
- #EEC69D
#EEC69D
oklch(85.1% 0.071 67.3)
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 #AAD3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.038
- Light Sky Blue #87CEFA ΔE 0.042
- Light Periwinkle #C1C6FC ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.047
- Sky Blue #87CEEB ΔE 0.048
- Sky #82CAFC ΔE 0.052
Use #AAD3FB 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.