#AEC3D4
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.7% 0.033 242.5), rgb(174, 195, 212).
Aa
Black text reads best on this color (11.55:1).
About this color
#AEC3D4 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.033 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.009 away. Black text reads best on it, at 11.55:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.55:1 |
| White text | 1.81:1 |
Values
| HEX | #AEC3D4 |
| RGB | rgb(174, 195, 212) |
| HSL | hsl(207, 31%, 76%) |
| OKLCH | oklch(80.7% 0.033 242.5) |
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 #AEC3D4 | 1.81:1 | Fails | Lc -38.0 | Non-text elements, placeholder text |
| Black text on #AEC3D4 | 11.55:1 | AAA | Lc 70.0 | Content text, not long reading |
| #AEC3D4 text on white | 1.81:1 | Fails | Lc 33.9 | Non-text elements, placeholder text |
| #AEC3D4 text on black | 11.55:1 | AAA | Lc -68.7 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300 (this color)
#AEC3D4
oklch(80.7% 0.033 242.5)
-
Step 400
400
#84A5C0
oklch(70.7% 0.054 243.3)
-
Step 500
500
#648FB0
oklch(63.1% 0.069 242.2)
-
Step 600
600
#4B799B
oklch(55.7% 0.073 241.8)
-
Step 700
700
#3C6585
oklch(49.1% 0.069 243.4)
-
Step 800
800
#32536C
oklch(42.8% 0.057 242.4)
-
Step 900
900
#2C4557
oklch(37.8% 0.044 240.7)
-
Step 950
950
#1A2833
oklch(26.9% 0.028 242.7)
#AEC3D4 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) | #BCC3D5 | 0.018 |
| Deuteranopia (no green cones) | #B7BED4 | 0.017 |
| Tritanopia (no blue cones) | #A4C7C8 | 0.027 |
| Achromatopsia (no color) | #C0C0C0 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC3D4
#AEC3D4
oklch(80.7% 0.033 242.5)
- #D0BCAA
#D0BCAA
oklch(80.7% 0.034 64.3)
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 #AEC3D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.009
- Light Steel Blue #B0C4DE ΔE 0.014
- Light Blue Grey #B7C9E2 ΔE 0.026
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.030
- Silver #C0C0C0 ΔE 0.033
- French Gray #ADB5BD ΔE 0.042
- Sky Blue #87CEEB ΔE 0.052
Use #AEC3D4 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.