#AAC6DA
Closest named color: Cloudy Blue (#ACC2D9). oklch(81.2% 0.041 239.1), rgb(170, 198, 218).
Aa
Black text reads best on this color (11.79:1).
About this color
#AAC6DA is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.041 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.010 away. Black text reads best on it, at 11.79:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.79:1 |
| White text | 1.77:1 |
Values
| HEX | #AAC6DA |
| RGB | rgb(170, 198, 218) |
| HSL | hsl(205, 39%, 76%) |
| OKLCH | oklch(81.2% 0.041 239.1) |
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 #AAC6DA | 1.77:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #AAC6DA | 11.79:1 | AAA | Lc 71.0 | Content text, not long reading |
| #AAC6DA text on white | 1.77:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #AAC6DA text on black | 11.79:1 | AAA | Lc -69.8 | 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
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300 (this color)
#AAC6DA
oklch(81.2% 0.041 239.1)
-
Step 400
400
#7AA7C6
oklch(70.7% 0.066 239)
-
Step 500
500
#5691B7
oklch(63.2% 0.084 238.3)
-
Step 600
600
#397AA3
oklch(55.5% 0.092 239.1)
-
Step 700
700
#2B678C
oklch(49.1% 0.086 239)
-
Step 800
800
#255472
oklch(42.7% 0.071 239.5)
-
Step 900
900
#23465C
oklch(37.8% 0.055 238.2)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#AAC6DA 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) | #BEC5DB | 0.026 |
| Deuteranopia (no green cones) | #B7C0DA | 0.022 |
| Tritanopia (no blue cones) | #9DCBCC | 0.032 |
| Achromatopsia (no color) | #C2C2C2 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC6DA
#AAC6DA
oklch(81.2% 0.041 239.1)
- #D7BCA8
#D7BCA8
oklch(81.3% 0.041 58.7)
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 #AAC6DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.010
- Light Steel Blue #B0C4DE ΔE 0.012
- Light Blue Grey #B7C9E2 ΔE 0.022
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.033
- Silver #C0C0C0 ΔE 0.042
- Sky Blue #87CEEB ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.047
Use #AAC6DA 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.