#AAC2DE
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.5% 0.048 252.4), rgb(170, 194, 222).
Aa
Black text reads best on this color (11.48:1).
About this color
#AAC2DE is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.048 and its hue 252°. 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 11.48:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.48:1 |
| White text | 1.82:1 |
Values
| HEX | #AAC2DE |
| RGB | rgb(170, 194, 222) |
| HSL | hsl(212, 44%, 77%) |
| OKLCH | oklch(80.5% 0.048 252.4) |
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 #AAC2DE | 1.82:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #AAC2DE | 11.48:1 | AAA | Lc 69.6 | Content text, not long reading |
| #AAC2DE text on white | 1.82:1 | Fails | Lc 34.2 | Non-text elements, placeholder text |
| #AAC2DE text on black | 11.48:1 | AAA | Lc -68.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300 (this color)
#AAC2DE
oklch(80.5% 0.048 252.4)
-
Step 400
400
#7EA4CF
oklch(70.7% 0.076 252)
-
Step 500
500
#5D8DC3
oklch(63.2% 0.097 252.3)
-
Step 600
600
#4276AF
oklch(55.6% 0.105 252.2)
-
Step 700
700
#346397
oklch(49.1% 0.099 252.5)
-
Step 800
800
#2C517A
oklch(42.7% 0.081 252.4)
-
Step 900
900
#284362
oklch(37.6% 0.063 252.8)
-
Step 950
950
#18283A
oklch(27.2% 0.04 252.2)
#AAC2DE 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) | #B8C3DF | 0.019 |
| Deuteranopia (no green cones) | #B2BDDD | 0.016 |
| Tritanopia (no blue cones) | #9CC8CB | 0.041 |
| Achromatopsia (no color) | #BFBFBF | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC2DE
#AAC2DE
oklch(80.5% 0.048 252.4)
- #D3BB9E
#D3BB9E
oklch(80.5% 0.048 72.3)
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 #AAC2DE, 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 0.010
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.027
- Sky Blue #87CEEB ΔE 0.046
- Silver #C0C0C0 ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.048
Use #AAC2DE 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.