#AEC1FF
Closest named color: Pastel Blue (#A2BFFE). oklch(81.9% 0.09 271.1), rgb(174, 193, 255).
Aa
Black text reads best on this color (11.87:1).
About this color
#AEC1FF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.090 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 11.87:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.87:1 |
| White text | 1.76:1 |
Values
| HEX | #AEC1FF |
| RGB | rgb(174, 193, 255) |
| HSL | hsl(226, 100%, 84%) |
| OKLCH | oklch(81.9% 0.09 271.1) |
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 #AEC1FF | 1.76:1 | Fails | Lc -36.4 | Non-text elements, placeholder text |
| Black text on #AEC1FF | 11.87:1 | AAA | Lc 71.4 | Content text, not long reading |
| #AEC1FF text on white | 1.76:1 | Fails | Lc 32.5 | Non-text elements, placeholder text |
| #AEC1FF text on black | 11.87:1 | 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)
#AEC1FF
oklch(81.9% 0.09 271.1)
-
Step 400
400
#809AFA
oklch(70.8% 0.144 270.9)
-
Step 500
500
#627DF7
oklch(63.1% 0.184 270.9)
-
Step 600
600
#4C62E6
oklch(55.6% 0.2 271.2)
-
Step 700
700
#3E50C8
oklch(49.1% 0.186 271.2)
-
Step 800
800
#3342A2
oklch(42.7% 0.155 271.4)
-
Step 900
900
#2B3980
oklch(37.5% 0.121 271.1)
-
Step 950
950
#19224B
oklch(26.9% 0.077 271.1)
#AEC1FF 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) | #A7C0FE | 0.010 |
| Tritanopia (no blue cones) | #97CDD6 | 0.081 |
| Achromatopsia (no color) | #C3C3C3 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC1FF
#AEC1FF
oklch(81.9% 0.09 271.1)
- #D9C27F
#D9C27F
oklch(81.8% 0.09 91.2)
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 #AEC1FF, 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 0.039
- Light Steel Blue #B0C4DE ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.052
- Sky #82CAFC ΔE 0.053
- Light Blue Grey #B7C9E2 ΔE 0.053
- Light Sky Blue #87CEFA ΔE 0.055
Use #AEC1FF 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.