#AEC7FB
Closest named color: Baby Blue (#A2CFFE). oklch(82.9% 0.078 264.7), rgb(174, 199, 251).
Aa
Black text reads best on this color (12.36:1).
About this color
#AEC7FB is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.078 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.023 away. Black text reads best on it, at 12.36:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.36:1 |
| White text | 1.69:1 |
Values
| HEX | #AEC7FB |
| RGB | rgb(174, 199, 251) |
| HSL | hsl(221, 91%, 83%) |
| OKLCH | oklch(82.9% 0.078 264.7) |
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 #AEC7FB | 1.69:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #AEC7FB | 12.36:1 | AAA | Lc 73.5 | Content text, not long reading |
| #AEC7FB text on white | 1.69:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #AEC7FB text on black | 12.36:1 | AAA | Lc -72.5 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F7
oklch(88.4% 0.044 265.6)
-
Step 300
300 (this color)
#AEC7FB
oklch(82.9% 0.078 264.7)
-
Step 400
400
#7A9EEF
oklch(70.7% 0.126 265.1)
-
Step 500
500
#5884E9
oklch(63.1% 0.16 264.6)
-
Step 600
600
#3F6BD8
oklch(55.6% 0.174 264.8)
-
Step 700
700
#3158BB
oklch(49% 0.163 264.8)
-
Step 800
800
#294997
oklch(42.7% 0.134 264.6)
-
Step 900
900
#253E78
oklch(37.7% 0.104 264.4)
-
Step 950
950
#162547
oklch(27.1% 0.066 264.5)
#AEC7FB 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) | #B6CAFD | 0.014 |
| Deuteranopia (no green cones) | #AFC3FA | 0.010 |
| Tritanopia (no blue cones) | #98D1D8 | 0.070 |
| Achromatopsia (no color) | #C7C7C7 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC7FB
#AEC7FB
oklch(82.9% 0.078 264.7)
- #DFC48C
#DFC48C
oklch(83% 0.079 85)
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 #AEC7FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.023
- Light Periwinkle #C1C6FC ΔE 0.024
- Pastel Blue #A2BFFE ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.047
- Sky #82CAFC ΔE 0.048
Use #AEC7FB 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.