#AEC3EB
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.5% 0.061 263.2), rgb(174, 195, 235).
Aa
Black text reads best on this color (11.80:1).
About this color
#AEC3EB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.061 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.020 away. Black text reads best on it, at 11.80:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.80:1 |
| White text | 1.77:1 |
Values
| HEX | #AEC3EB |
| RGB | rgb(174, 195, 235) |
| HSL | hsl(219, 60%, 80%) |
| OKLCH | oklch(81.5% 0.061 263.2) |
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 #AEC3EB | 1.77:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #AEC3EB | 11.80:1 | AAA | Lc 71.1 | Content text, not long reading |
| #AEC3EB text on white | 1.77:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #AEC3EB text on black | 11.80:1 | AAA | Lc -69.9 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAF0
oklch(88.6% 0.033 262.7)
-
Step 300
300 (this color)
#AEC3EB
oklch(81.5% 0.061 263.2)
-
Step 400
400
#81A0DE
oklch(70.7% 0.098 263.6)
-
Step 500
500
#6187D5
oklch(63% 0.126 263.5)
-
Step 600
600
#4870C2
oklch(55.6% 0.135 263.1)
-
Step 700
700
#395DA8
oklch(49.1% 0.127 263.2)
-
Step 800
800
#304C88
oklch(42.6% 0.105 263.7)
-
Step 900
900
#2A406D
oklch(37.7% 0.082 263.3)
-
Step 950
950
#192640
oklch(27.1% 0.052 263.2)
#AEC3EB 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) | #B6C5ED | 0.012 |
| Deuteranopia (no green cones) | #B0C0EA | 0.008 |
| Tritanopia (no blue cones) | #9ECBD0 | 0.055 |
| Achromatopsia (no color) | #C2C2C2 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC3EB
#AEC3EB
oklch(81.5% 0.061 263.2)
- #D6C096
#D6C096
oklch(81.6% 0.061 83.4)
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 #AEC3EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.027
- Pastel Blue #A2BFFE ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.036
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.042
Use #AEC3EB 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.