#AAC2DA
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.4% 0.043 248.4), rgb(170, 194, 218).
Aa
Black text reads best on this color (11.43:1).
About this color
#AAC2DA is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.043 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.003 away. Black text reads best on it, at 11.43:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.43:1 |
| White text | 1.83:1 |
Values
| HEX | #AAC2DA |
| RGB | rgb(170, 194, 218) |
| HSL | hsl(210, 39%, 76%) |
| OKLCH | oklch(80.4% 0.043 248.4) |
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 #AAC2DA | 1.83:1 | Fails | Lc -38.6 | Non-text elements, placeholder text |
| Black text on #AAC2DA | 11.43:1 | AAA | Lc 69.5 | Content text, not long reading |
| #AAC2DA text on white | 1.83:1 | Fails | Lc 34.4 | Non-text elements, placeholder text |
| #AAC2DA text on black | 11.43:1 | AAA | Lc -68.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300 (this color)
#AAC2DA
oklch(80.4% 0.043 248.4)
-
Step 400
400
#7FA5CA
oklch(70.8% 0.069 248.1)
-
Step 500
500
#5D8EBC
oklch(63.1% 0.088 247.9)
-
Step 600
600
#4377A9
oklch(55.5% 0.096 249.1)
-
Step 700
700
#346491
oklch(49% 0.09 248.7)
-
Step 800
800
#2C5275
oklch(42.7% 0.073 248.1)
-
Step 900
900
#28445F
oklch(37.7% 0.058 248.7)
-
Step 950
950
#182837
oklch(27% 0.035 247.7)
#AAC2DA 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) | #B9C2DB | 0.020 |
| Deuteranopia (no green cones) | #B3BDDA | 0.017 |
| Tritanopia (no blue cones) | #9DC7CA | 0.035 |
| Achromatopsia (no color) | #BFBFBF | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC2DA
#AAC2DA
oklch(80.4% 0.043 248.4)
- #D2BAA2
#D2BAA2
oklch(80.3% 0.043 67.2)
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 #AAC2DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.003
- Light Steel Blue #B0C4DE ΔE 0.011
- Light Cornflower Blue #98C1D9 ΔE 0.023
- Light Grey Blue #9DBCD4 ΔE 0.025
- Light Blue Grey #B7C9E2 ΔE 0.027
- Silver #C0C0C0 ΔE 0.043
- French Gray #ADB5BD ΔE 0.045
- Sky Blue #87CEEB ΔE 0.047
Use #AAC2DA 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.