#AAD3FC
Closest named color: Baby Blue (#A2CFFE). oklch(85.2% 0.072 248.7), rgb(170, 211, 252).
Aa
Black text reads best on this color (13.43:1).
About this color
#AAD3FC is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.072 and its hue 249°. 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 13.43:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.43:1 |
| White text | 1.56:1 |
Values
| HEX | #AAD3FC |
| RGB | rgb(170, 211, 252) |
| HSL | hsl(210, 93%, 83%) |
| OKLCH | oklch(85.2% 0.072 248.7) |
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 #AAD3FC | 1.56:1 | Fails | Lc -29.1 | Dividers and decoration only |
| Black text on #AAD3FC | 13.43:1 | AAA | Lc 78.0 | Fine for body text |
| #AAD3FC text on white | 1.56:1 | Fails | Lc 25.7 | Dividers and decoration only |
| #AAD3FC text on black | 13.43:1 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DDECFB
oklch(93.6% 0.026 248.1)
-
Step 200
200 (this color)
#AAD3FC
oklch(85.2% 0.072 248.7)
-
Step 300
300
#91C6FA
oklch(80.9% 0.092 248.6)
-
Step 400
400
#4BA6F8
oklch(70.7% 0.148 248.7)
-
Step 500
500
#008DEC
oklch(63.1% 0.173 248.9)
-
Step 600
600
#0077C7
oklch(55.7% 0.152 248.5)
-
Step 700
700
#0063A8
oklch(49% 0.134 248.8)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900
#004475
oklch(37.8% 0.103 248.3)
-
Step 950
950
#002848
oklch(27% 0.073 248.1)
#AAD3FC 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) | #C3D3FE | 0.031 |
| Deuteranopia (no green cones) | #B9CBFB | 0.026 |
| Tritanopia (no blue cones) | #90DCE0 | 0.061 |
| Achromatopsia (no color) | #CFCFCF | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD3FC
#AAD3FC
oklch(85.2% 0.072 248.7)
- #EEC69C
#EEC69C
oklch(85.1% 0.072 68)
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 #AAD3FC, 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 0.038
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.048
- Sky Blue #87CEEB ΔE 0.049
- Sky #82CAFC ΔE 0.052
Use #AAD3FC 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.