#AEC3F2
Closest named color: Pastel Blue (#A2BFFE). oklch(81.8% 0.07 266), rgb(174, 195, 242).
Aa
Black text reads best on this color (11.88:1).
About this color
#AEC3F2 is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.070 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.027 away. Black text reads best on it, at 11.88:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.88:1 |
| White text | 1.76:1 |
Values
| HEX | #AEC3F2 |
| RGB | rgb(174, 195, 242) |
| HSL | hsl(221, 72%, 82%) |
| OKLCH | oklch(81.8% 0.07 266) |
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 #AEC3F2 | 1.76:1 | Fails | Lc -36.4 | Non-text elements, placeholder text |
| Black text on #AEC3F2 | 11.88:1 | AAA | Lc 71.4 | Content text, not long reading |
| #AEC3F2 text on white | 1.76:1 | Fails | Lc 32.4 | Non-text elements, placeholder text |
| #AEC3F2 text on black | 11.88:1 | AAA | Lc -70.3 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F4
oklch(88.5% 0.039 266.5)
-
Step 300
300 (this color)
#AEC3F2
oklch(81.8% 0.07 266)
-
Step 400
400
#7F9EE7
oklch(70.6% 0.113 266)
-
Step 500
500
#6085E0
oklch(63.2% 0.143 265.8)
-
Step 600
600
#486CCE
oklch(55.6% 0.157 266.2)
-
Step 700
700
#395AB2
oklch(49.1% 0.145 265.8)
-
Step 800
800
#2F4A90
oklch(42.7% 0.12 265.7)
-
Step 900
900
#2A3E73
oklch(37.6% 0.094 266.4)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#AEC3F2 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) | #B4C6F4 | 0.012 |
| Deuteranopia (no green cones) | #AEC0F1 | 0.008 |
| Tritanopia (no blue cones) | #9CCCD3 | 0.062 |
| Achromatopsia (no color) | #C3C3C3 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC3F2
#AEC3F2
oklch(81.8% 0.07 266)
- #D8C18F
#D8C18F
oklch(81.8% 0.071 86.1)
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 #AEC3F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.030
- Light Periwinkle #C1C6FC ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.048
Use #AEC3F2 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.