#AEC6FC
Closest named color: Light Periwinkle (#C1C6FC). oklch(82.8% 0.081 266), rgb(174, 198, 252).
Aa
Black text reads best on this color (12.28:1).
About this color
#AEC6FC is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.081 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.024 away. Black text reads best on it, at 12.28:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 12.28:1 |
| White text | 1.70:1 |
Values
| HEX | #AEC6FC |
| RGB | rgb(174, 198, 252) |
| HSL | hsl(222, 93%, 84%) |
| OKLCH | oklch(82.8% 0.081 266) |
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 #AEC6FC | 1.70:1 | Fails | Lc -34.5 | Non-text elements, placeholder text |
| Black text on #AEC6FC | 12.28:1 | AAA | Lc 73.2 | Content text, not long reading |
| #AEC6FC text on white | 1.70:1 | Fails | Lc 30.7 | Non-text elements, placeholder text |
| #AEC6FC text on black | 12.28:1 | AAA | Lc -72.1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F8
oklch(88.5% 0.045 266.2)
-
Step 300
300 (this color)
#AEC6FC
oklch(82.8% 0.081 266)
-
Step 400
400
#7B9DF1
oklch(70.6% 0.129 266.4)
-
Step 500
500
#5A83EC
oklch(63.2% 0.164 265.8)
-
Step 600
600
#4169DB
oklch(55.5% 0.18 266.1)
-
Step 700
700
#3357BE
oklch(49.1% 0.167 265.9)
-
Step 800
800
#2B4899
oklch(42.7% 0.137 265.9)
-
Step 900
900
#263D7A
oklch(37.7% 0.108 265.9)
-
Step 950
950
#172447
oklch(26.9% 0.068 266.6)
#AEC6FC 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) | #B5CAFE | 0.014 |
| Deuteranopia (no green cones) | #ADC3FB | 0.008 |
| Tritanopia (no blue cones) | #98D1D8 | 0.073 |
| Achromatopsia (no color) | #C6C6C6 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC6FC
#AEC6FC
oklch(82.8% 0.081 266)
- #DEC38A
#DEC38A
oklch(82.7% 0.08 85.4)
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 #AEC6FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.026
- Pastel Blue #A2BFFE ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.047
- Sky #82CAFC ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.049
Use #AEC6FC 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.