#AAC2E2
Closest named color: Light Steel Blue (#B0C4DE). oklch(80.7% 0.052 255.7), rgb(170, 194, 226).
Aa
Black text reads best on this color (11.52:1).
About this color
#AAC2E2 is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.052 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.012 away. Black text reads best on it, at 11.52:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.52:1 |
| White text | 1.82:1 |
Values
| HEX | #AAC2E2 |
| RGB | rgb(170, 194, 226) |
| HSL | hsl(214, 49%, 78%) |
| OKLCH | oklch(80.7% 0.052 255.7) |
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 #AAC2E2 | 1.82:1 | Fails | Lc -38.1 | Non-text elements, placeholder text |
| Black text on #AAC2E2 | 11.52:1 | AAA | Lc 69.8 | Content text, not long reading |
| #AAC2E2 text on white | 1.82:1 | Fails | Lc 34.0 | Non-text elements, placeholder text |
| #AAC2E2 text on black | 11.52:1 | AAA | Lc -68.6 | 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
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300 (this color)
#AAC2E2
oklch(80.7% 0.052 255.7)
-
Step 400
400
#7EA3D5
oklch(70.7% 0.084 256.1)
-
Step 500
500
#5C8BC9
oklch(63% 0.107 255.8)
-
Step 600
600
#4274B6
oklch(55.5% 0.117 256)
-
Step 700
700
#33619D
oklch(49% 0.109 255.9)
-
Step 800
800
#2B507F
oklch(42.7% 0.089 255.3)
-
Step 900
900
#274266
oklch(37.6% 0.07 256.1)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#AAC2E2 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) | #B7C3E4 | 0.018 |
| Deuteranopia (no green cones) | #B1BDE1 | 0.015 |
| Tritanopia (no blue cones) | #9BC9CC | 0.046 |
| Achromatopsia (no color) | #C0C0C0 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC2E2
#AAC2E2
oklch(80.7% 0.052 255.7)
- #D4BC9B
#D4BC9B
oklch(80.7% 0.052 75.7)
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 #AAC2E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.012
- Cloudy Blue #ACC2D9 ΔE 0.013
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.030
- Baby Blue #A2CFFE ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.044
- Sky Blue #87CEEB ΔE 0.046
Use #AAC2E2 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.