#AEC9F4
Closest named color: Baby Blue (#A2CFFE). oklch(83.1% 0.067 259.6), rgb(174, 201, 244).
Aa
Black text reads best on this color (12.46:1).
About this color
#AEC9F4 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.067 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.021 away. Black text reads best on it, at 12.46:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.46:1 |
| White text | 1.68:1 |
Values
| HEX | #AEC9F4 |
| RGB | rgb(174, 201, 244) |
| HSL | hsl(217, 76%, 82%) |
| OKLCH | oklch(83.1% 0.067 259.6) |
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 #AEC9F4 | 1.68:1 | Fails | Lc -33.7 | Non-text elements, placeholder text |
| Black text on #AEC9F4 | 12.46:1 | AAA | Lc 73.9 | Content text, not long reading |
| #AEC9F4 text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #AEC9F4 text on black | 12.46:1 | AAA | Lc -72.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300 (this color)
#AEC9F4
oklch(83.1% 0.067 259.6)
-
Step 400
400
#78A1E4
oklch(70.6% 0.109 259.9)
-
Step 500
500
#5588DC
oklch(63% 0.139 259.9)
-
Step 600
600
#3A71C9
oklch(55.7% 0.149 259.4)
-
Step 700
700
#2C5EAE
oklch(49.1% 0.139 259.5)
-
Step 800
800
#254D8D
oklch(42.7% 0.115 259.4)
-
Step 900
900
#234171
oklch(37.8% 0.09 259.4)
-
Step 950
950
#152642
oklch(27% 0.057 259.9)
#AEC9F4 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) | #BACBF6 | 0.017 |
| Deuteranopia (no green cones) | #B3C4F3 | 0.014 |
| Tritanopia (no blue cones) | #9AD2D7 | 0.060 |
| Achromatopsia (no color) | #C7C7C7 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC9F4
#AEC9F4
oklch(83.1% 0.067 259.6)
- #DFC396
#DFC396
oklch(83% 0.067 79.4)
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 #AEC9F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Periwinkle #C1C6FC ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.030
- Pastel Blue #A2BFFE ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Sky Blue #87CEFA ΔE 0.043
- Sky Blue #87CEEB ΔE 0.048
Use #AEC9F4 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.