#AEC9FC
Closest named color: Baby Blue (#A2CFFE). oklch(83.4% 0.078 263), rgb(174, 201, 252).
Aa
Black text reads best on this color (12.56:1).
About this color
#AEC9FC is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.078 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.019 away. Black text reads best on it, at 12.56:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.56:1 |
| White text | 1.67:1 |
Values
| HEX | #AEC9FC |
| RGB | rgb(174, 201, 252) |
| HSL | hsl(219, 93%, 84%) |
| OKLCH | oklch(83.4% 0.078 263) |
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 #AEC9FC | 1.67:1 | Fails | Lc -33.2 | Non-text elements, placeholder text |
| Black text on #AEC9FC | 12.56:1 | AAA | Lc 74.4 | Content text, not long reading |
| #AEC9FC text on white | 1.67:1 | Fails | Lc 29.5 | Dividers and decoration only |
| #AEC9FC text on black | 12.56:1 | AAA | Lc -73.4 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300 (this color)
#AEC9FC
oklch(83.4% 0.078 263)
-
Step 400
400
#779FEE
oklch(70.6% 0.124 263.1)
-
Step 500
500
#5485E9
oklch(63.1% 0.16 263)
-
Step 600
600
#3A6CD7
oklch(55.6% 0.173 263.1)
-
Step 700
700
#2C5ABA
oklch(49.1% 0.16 262.7)
-
Step 800
800
#264A97
oklch(42.8% 0.133 263.1)
-
Step 900
900
#233F78
oklch(37.8% 0.103 262.8)
-
Step 950
950
#152546
oklch(27% 0.065 263.2)
#AEC9FC 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) | #B8CCFE | 0.016 |
| Deuteranopia (no green cones) | #B0C5FB | 0.010 |
| Tritanopia (no blue cones) | #98D3DA | 0.069 |
| Achromatopsia (no color) | #C8C8C8 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC9FC
#AEC9FC
oklch(83.4% 0.078 263)
- #E1C58E
#E1C58E
oklch(83.4% 0.078 83.9)
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 #AEC9FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.019
- Light Periwinkle #C1C6FC ΔE 0.025
- Pastel Blue #A2BFFE ΔE 0.033
- Light Blue Grey #B7C9E2 ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.044
- Sky #82CAFC ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.049
Use #AEC9FC 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.