#AAC2E0
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.6% 0.05 254.1), rgb(170, 194, 224).
Aa
Black text reads best on this color (11.50:1).
About this color
#AAC2E0 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.050 and its hue 254°. 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 11.50:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.50:1 |
| White text | 1.82:1 |
Values
| HEX | #AAC2E0 |
| RGB | rgb(170, 194, 224) |
| HSL | hsl(213, 47%, 77%) |
| OKLCH | oklch(80.6% 0.05 254.1) |
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 #AAC2E0 | 1.82:1 | Fails | Lc -38.2 | Non-text elements, placeholder text |
| Black text on #AAC2E0 | 11.50:1 | AAA | Lc 69.7 | Content text, not long reading |
| #AAC2E0 text on white | 1.82:1 | Fails | Lc 34.1 | Non-text elements, placeholder text |
| #AAC2E0 text on black | 11.50:1 | AAA | Lc -68.5 | 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
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDBEC
oklch(88.6% 0.028 253.2)
-
Step 300
300 (this color)
#AAC2E0
oklch(80.6% 0.05 254.1)
-
Step 400
400
#7EA3D2
oklch(70.6% 0.08 254.7)
-
Step 500
500
#5D8CC6
oklch(63.1% 0.102 254.3)
-
Step 600
600
#4275B3
oklch(55.6% 0.112 254.4)
-
Step 700
700
#34629A
oklch(49.1% 0.104 254.5)
-
Step 800
800
#2B507D
oklch(42.6% 0.087 254.4)
-
Step 900
900
#274364
oklch(37.7% 0.066 253.5)
-
Step 950
950
#17273B
oklch(26.9% 0.043 254.6)
#AAC2E0 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) | #B7C3E1 | 0.017 |
| Deuteranopia (no green cones) | #B1BDDF | 0.015 |
| Tritanopia (no blue cones) | #9BC8CC | 0.042 |
| Achromatopsia (no color) | #C0C0C0 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC2E0
#AAC2E0
oklch(80.6% 0.05 254.1)
- #D3BB9D
#D3BB9D
oklch(80.5% 0.049 73.2)
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 #AAC2E0, 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 0.011
- Light Cornflower Blue #98C1D9 ΔE 0.025
- Light Blue Grey #B7C9E2 ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.028
- Sky Blue #87CEEB ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.046
- Pastel Blue #A2BFFE ΔE 0.047
Use #AAC2E0 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.