#AAD3FA
Closest named color: Baby Blue (#A2CFFE). oklch(85.1% 0.07 247.4), rgb(170, 211, 250).
Aa
Black text reads best on this color (13.40:1).
About this color
#AAD3FA is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.070 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.017 away. Black text reads best on it, at 13.40:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.40:1 |
| White text | 1.56:1 |
Values
| HEX | #AAD3FA |
| RGB | rgb(170, 211, 250) |
| HSL | hsl(209, 89%, 82%) |
| OKLCH | oklch(85.1% 0.07 247.4) |
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 #AAD3FA | 1.56:1 | Fails | Lc -29.2 | Dividers and decoration only |
| Black text on #AAD3FA | 13.40:1 | AAA | Lc 77.9 | Fine for body text |
| #AAD3FA text on white | 1.56:1 | Fails | Lc 25.8 | Dividers and decoration only |
| #AAD3FA text on black | 13.40:1 | AAA | Lc -77.2 | 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)
#AAD3FA
oklch(85.1% 0.07 247.4)
-
Step 300
300
#91C6F8
oklch(80.8% 0.09 247.5)
-
Step 400
400
#4BA7F5
oklch(70.7% 0.144 247.2)
-
Step 500
500
#008EE8
oklch(63% 0.168 247.5)
-
Step 600
600
#0077C4
oklch(55.5% 0.148 247.6)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#004473
oklch(37.7% 0.1 247.4)
-
Step 950
950
#002847
oklch(27% 0.072 247.4)
#AAD3FA 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) | #C4D3FC | 0.032 |
| Deuteranopia (no green cones) | #BACBF9 | 0.027 |
| Tritanopia (no blue cones) | #91DCE0 | 0.058 |
| Achromatopsia (no color) | #CECECE | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD3FA
#AAD3FA
oklch(85.1% 0.07 247.4)
- #EDC69E
#EDC69E
oklch(85.1% 0.069 67.4)
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 #AAD3FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.017
- Light Blue #ADD8E6 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.042
- Light Periwinkle #C1C6FC ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.047
- Sky Blue #87CEEB ΔE 0.047
- Celeste #A8DADC ΔE 0.052
Use #AAD3FA 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.