#AEC3F3
Closest named color: Pastel Blue (#A2BFFE). oklch(81.8% 0.072 266.4), rgb(174, 195, 243).
Aa
Black text reads best on this color (11.89:1).
About this color
#AEC3F3 is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.072 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.026 away. Black text reads best on it, at 11.89:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.89:1 |
| White text | 1.76:1 |
Values
| HEX | #AEC3F3 |
| RGB | rgb(174, 195, 243) |
| HSL | hsl(222, 74%, 82%) |
| OKLCH | oklch(81.8% 0.072 266.4) |
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 #AEC3F3 | 1.76:1 | Fails | Lc -36.3 | Non-text elements, placeholder text |
| Black text on #AEC3F3 | 11.89:1 | AAA | Lc 71.5 | Content text, not long reading |
| #AEC3F3 text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #AEC3F3 text on black | 11.89:1 | 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)
#AEC3F3
oklch(81.8% 0.072 266.4)
-
Step 400
400
#7F9EE9
oklch(70.7% 0.116 266.4)
-
Step 500
500
#6084E2
oklch(63.1% 0.147 266.5)
-
Step 600
600
#486CD0
oklch(55.7% 0.16 266.4)
-
Step 700
700
#3959B4
oklch(49% 0.149 266.4)
-
Step 800
800
#2F4991
oklch(42.5% 0.123 266.3)
-
Step 900
900
#2A3E74
oklch(37.7% 0.096 266.6)
-
Step 950
950
#192544
oklch(27.1% 0.06 266.5)
#AEC3F3 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) | #B4C6F5 | 0.012 |
| Deuteranopia (no green cones) | #AEC0F2 | 0.008 |
| Tritanopia (no blue cones) | #9BCCD3 | 0.064 |
| Achromatopsia (no color) | #C3C3C3 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC3F3
#AEC3F3
oklch(81.8% 0.072 266.4)
- #D8C18E
#D8C18E
oklch(81.8% 0.072 86.4)
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 #AEC3F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.026
- Light Periwinkle #C1C6FC ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.048
Use #AEC3F3 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.