#A3CEF5
Closest named color: Baby Blue (#A2CFFE). oklch(83.4% 0.071 246.2), rgb(163, 206, 245).
Aa
Black text reads best on this color (12.70:1).
About this color
#A3CEF5 is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.071 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.012 away. Black text reads best on it, at 12.70:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.70:1 |
| White text | 1.65:1 |
Values
| HEX | #A3CEF5 |
| RGB | rgb(163, 206, 245) |
| HSL | hsl(209, 80%, 80%) |
| OKLCH | oklch(83.4% 0.071 246.2) |
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 #A3CEF5 | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #A3CEF5 | 12.70:1 | AAA | Lc 75.0 | Content text, not long reading |
| #A3CEF5 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #A3CEF5 text on black | 12.70:1 | AAA | Lc -74.1 | Content text, not long reading |
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
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C5DCF2
oklch(88.4% 0.039 247.1)
-
Step 300
300 (this color)
#A3CEF5
oklch(83.4% 0.071 246.2)
-
Step 400
400
#60A7E3
oklch(70.7% 0.114 245.8)
-
Step 500
500
#298FDC
oklch(63% 0.147 246.5)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#034570
oklch(37.8% 0.094 245.5)
-
Step 950
950
#072842
oklch(26.9% 0.061 246.8)
#A3CEF5 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) | #BFCEF7 | 0.035 |
| Deuteranopia (no green cones) | #B4C5F4 | 0.029 |
| Tritanopia (no blue cones) | #89D7DB | 0.059 |
| Achromatopsia (no color) | #C9C9C9 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CEF5
#A3CEF5
oklch(83.4% 0.071 246.2)
- #E9C098
#E9C098
oklch(83.4% 0.071 65.9)
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 #A3CEF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.012
- Light Sky Blue #87CEFA ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.036
- Sky #82CAFC ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.043
Use #A3CEF5 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.