#A3D1FA
Closest named color: Baby Blue (#A2CFFE). oklch(84.2% 0.075 245.8), rgb(163, 209, 250).
Aa
Black text reads best on this color (13.05:1).
About this color
#A3D1FA is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.075 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.009 away. Black text reads best on it, at 13.05:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.05:1 |
| White text | 1.60:1 |
Values
| HEX | #A3D1FA |
| RGB | rgb(163, 209, 250) |
| HSL | hsl(208, 90%, 81%) |
| OKLCH | oklch(84.2% 0.075 245.8) |
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 #A3D1FA | 1.60:1 | Fails | Lc -30.8 | Non-text elements, placeholder text |
| Black text on #A3D1FA | 13.05:1 | AAA | Lc 76.5 | Fine for body text |
| #A3D1FA text on white | 1.60:1 | Fails | Lc 27.3 | Dividers and decoration only |
| #A3D1FA text on black | 13.05:1 | AAA | Lc -75.7 | 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 300.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C3DDF4
oklch(88.6% 0.042 245)
-
Step 300
300 (this color)
#A3D1FA
oklch(84.2% 0.075 245.8)
-
Step 400
400
#5BA7E7
oklch(70.6% 0.121 246)
-
Step 500
500
#1990E0
oklch(63.2% 0.154 245.6)
-
Step 600
600
#0078C0
oklch(55.5% 0.142 245.8)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#042943
oklch(27.1% 0.063 244.6)
#A3D1FA 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) | #C1D1FC | 0.037 |
| Deuteranopia (no green cones) | #B6C8F9 | 0.031 |
| Tritanopia (no blue cones) | #86DBDE | 0.064 |
| Achromatopsia (no color) | #CCCCCC | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D1FA
#A3D1FA
oklch(84.2% 0.075 245.8)
- #EEC297
#EEC297
oklch(84.2% 0.076 65.8)
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 #A3D1FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.009
- Light Sky Blue #87CEFA ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.038
- Sky Blue #87CEEB ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.040
- Sky #82CAFC ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.045
Use #A3D1FA 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.