#AEC3FC
Closest named color: Pastel Blue (#A2BFFE). oklch(82.2% 0.084 268.8), rgb(174, 195, 252).
Aa
Black text reads best on this color (12.01:1).
About this color
#AEC3FC is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.084 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.020 away. Black text reads best on it, at 12.01:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 12.01:1 |
| White text | 1.74:1 |
Values
| HEX | #AEC3FC |
| RGB | rgb(174, 195, 252) |
| HSL | hsl(224, 93%, 84%) |
| OKLCH | oklch(82.2% 0.084 268.8) |
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 #AEC3FC | 1.74:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #AEC3FC | 12.01:1 | AAA | Lc 72.0 | Content text, not long reading |
| #AEC3FC text on white | 1.74:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #AEC3FC text on black | 12.01:1 | AAA | Lc -70.9 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F9
oklch(88.6% 0.046 267.9)
-
Step 300
300 (this color)
#AEC3FC
oklch(82.2% 0.084 268.8)
-
Step 400
400
#7E9CF4
oklch(70.8% 0.134 268.6)
-
Step 500
500
#5F80F0
oklch(63.1% 0.172 268.8)
-
Step 600
600
#4866DF
oklch(55.6% 0.187 269)
-
Step 700
700
#3A54C1
oklch(49.1% 0.173 268.9)
-
Step 800
800
#30469C
oklch(42.8% 0.142 268.8)
-
Step 900
900
#2A3C7C
oklch(37.8% 0.111 268.8)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#AEC3FC 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) | #B1C7FF | 0.011 |
| Deuteranopia (no green cones) | #AAC1FB | 0.008 |
| Tritanopia (no blue cones) | #98CED6 | 0.076 |
| Achromatopsia (no color) | #C4C4C4 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC3FC
#AEC3FC
oklch(82.2% 0.084 268.8)
- #DBC285
#DBC285
oklch(82.1% 0.084 88.2)
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 #AEC3FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.020
- Light Periwinkle #C1C6FC ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.046
- Sky #82CAFC ΔE 0.050
- Light Sky Blue #87CEFA ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.050
Use #AEC3FC 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.