#AAC0DC
Closest named color: Cloudy Blue (#ACC2D9). oklch(80% 0.047 254.5), rgb(170, 192, 220).
Aa
Black text reads best on this color (11.28:1).
About this color
#AAC0DC is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.047 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.008 away. Black text reads best on it, at 11.28:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.28:1 |
| White text | 1.86:1 |
Values
| HEX | #AAC0DC |
| RGB | rgb(170, 192, 220) |
| HSL | hsl(214, 42%, 76%) |
| OKLCH | oklch(80% 0.047 254.5) |
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 #AAC0DC | 1.86:1 | Fails | Lc -39.3 | Non-text elements, placeholder text |
| Black text on #AAC0DC | 11.28:1 | AAA | Lc 68.8 | Content text, not long reading |
| #AAC0DC text on white | 1.86:1 | Fails | Lc 35.1 | Non-text elements, placeholder text |
| #AAC0DC text on black | 11.28:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEA
oklch(88.4% 0.026 255.6)
-
Step 300
300 (this color)
#AAC0DC
oklch(80% 0.047 254.5)
-
Step 400
400
#81A3CF
oklch(70.7% 0.075 255.1)
-
Step 500
500
#618CC2
oklch(63.1% 0.095 254.6)
-
Step 600
600
#4775AF
oklch(55.6% 0.104 255)
-
Step 700
700
#386296
oklch(49% 0.096 254.7)
-
Step 800
800
#2F507A
oklch(42.6% 0.08 255.1)
-
Step 900
900
#2A4362
oklch(37.8% 0.062 254.4)
-
Step 950
950
#192739
oklch(26.9% 0.039 255.1)
#AAC0DC 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) | #B6C1DD | 0.016 |
| Deuteranopia (no green cones) | #B1BCDB | 0.013 |
| Tritanopia (no blue cones) | #9DC6C9 | 0.040 |
| Achromatopsia (no color) | #BEBEBE | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC0DC
#AAC0DC
oklch(80% 0.047 254.5)
- #D0BA9D
#D0BA9D
oklch(80% 0.047 74.7)
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 #AAC0DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.008
- Light Steel Blue #B0C4DE ΔE 0.014
- Light Grey Blue #9DBCD4 ΔE 0.023
- Light Cornflower Blue #98C1D9 ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.031
- French Gray #ADB5BD ΔE 0.045
- Silver #C0C0C0 ΔE 0.047
- Sky Blue #87CEEB ΔE 0.049
Use #AAC0DC 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.