#AEC0D4
Closest named color: Cloudy Blue (#ACC2D9). oklch(80% 0.035 251), rgb(174, 192, 212).
Aa
Black text reads best on this color (11.29:1).
About this color
#AEC0D4 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.035 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.007 away. Black text reads best on it, at 11.29:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.29:1 |
| White text | 1.86:1 |
Values
| HEX | #AEC0D4 |
| RGB | rgb(174, 192, 212) |
| HSL | hsl(212, 31%, 76%) |
| OKLCH | oklch(80% 0.035 251) |
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 #AEC0D4 | 1.86:1 | Fails | Lc -39.3 | Non-text elements, placeholder text |
| Black text on #AEC0D4 | 11.29:1 | AAA | Lc 68.8 | Content text, not long reading |
| #AEC0D4 text on white | 1.86:1 | Fails | Lc 35.1 | Non-text elements, placeholder text |
| #AEC0D4 text on black | 11.29:1 | AAA | Lc -67.4 | 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
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300 (this color)
#AEC0D4
oklch(80% 0.035 251)
-
Step 400
400
#87A4C3
oklch(70.8% 0.056 250.3)
-
Step 500
500
#698DB3
oklch(63.1% 0.07 250.3)
-
Step 600
600
#50769F
oklch(55.5% 0.077 251.2)
-
Step 700
700
#416388
oklch(49% 0.072 251.4)
-
Step 800
800
#36516F
oklch(42.7% 0.06 251.8)
-
Step 900
900
#2F4359
oklch(37.6% 0.046 251.4)
-
Step 950
950
#1C2834
oklch(27.1% 0.028 248.9)
#AEC0D4 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) | #B9C0D5 | 0.015 |
| Deuteranopia (no green cones) | #B4BCD4 | 0.013 |
| Tritanopia (no blue cones) | #A4C4C6 | 0.029 |
| Achromatopsia (no color) | #BEBEBE | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC0D4
#AEC0D4
oklch(80% 0.035 251)
- #CCBBA6
#CCBBA6
oklch(80.1% 0.035 73.1)
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 #AEC0D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.007
- Light Steel Blue #B0C4DE ΔE 0.016
- Light Grey Blue #9DBCD4 ΔE 0.025
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.031
- Silver #C0C0C0 ΔE 0.035
- French Gray #ADB5BD ΔE 0.037
- Sky Blue #87CEEB ΔE 0.055
Use #AEC0D4 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.