#AEC1FE
Closest named color: Pastel Blue (#A2BFFE). oklch(81.8% 0.089 271), rgb(174, 193, 254).
Aa
Black text reads best on this color (11.85:1).
About this color
#AEC1FE is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.089 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.016 away. Black text reads best on it, at 11.85:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.85:1 |
| White text | 1.77:1 |
Values
| HEX | #AEC1FE |
| RGB | rgb(174, 193, 254) |
| HSL | hsl(226, 98%, 84%) |
| OKLCH | oklch(81.8% 0.089 271) |
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 #AEC1FE | 1.77:1 | Fails | Lc -36.5 | Non-text elements, placeholder text |
| Black text on #AEC1FE | 11.85:1 | AAA | Lc 71.3 | Content text, not long reading |
| #AEC1FE text on white | 1.77:1 | Fails | Lc 32.5 | Non-text elements, placeholder text |
| #AEC1FE text on black | 11.85:1 | AAA | Lc -70.2 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300 (this color)
#AEC1FE
oklch(81.8% 0.089 271)
-
Step 400
400
#809AF9
oklch(70.7% 0.142 270.8)
-
Step 500
500
#627DF6
oklch(63.1% 0.182 270.9)
-
Step 600
600
#4C63E5
oklch(55.7% 0.198 270.9)
-
Step 700
700
#3E51C7
oklch(49.2% 0.184 271)
-
Step 800
800
#3343A1
oklch(42.8% 0.152 271.1)
-
Step 900
900
#2C3A7F
oklch(37.7% 0.117 271.1)
-
Step 950
950
#19224B
oklch(26.9% 0.077 271.1)
#AEC1FE 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) | #AEC6FF | 0.013 |
| Deuteranopia (no green cones) | #A7C0FD | 0.010 |
| Tritanopia (no blue cones) | #98CDD6 | 0.080 |
| Achromatopsia (no color) | #C3C3C3 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC1FE
#AEC1FE
oklch(81.8% 0.089 271)
- #D9C280
#D9C280
oklch(81.9% 0.089 91)
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 #AEC1FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.016
- Light Periwinkle #C1C6FC ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.052
- Light Blue Grey #B7C9E2 ΔE 0.052
- Sky #82CAFC ΔE 0.053
- Light Sky Blue #87CEFA ΔE 0.054
Use #AEC1FE 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.