#AAD3EC
Closest named color: Light Blue (#ADD8E6). oklch(84.6% 0.056 235.1), rgb(170, 211, 236).
Aa
Black text reads best on this color (13.23:1).
About this color
#AAD3EC is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.056 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.019 away. Black text reads best on it, at 13.23:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.23:1 |
| White text | 1.58:1 |
Values
| HEX | #AAD3EC |
| RGB | rgb(170, 211, 236) |
| HSL | hsl(203, 63%, 80%) |
| OKLCH | oklch(84.6% 0.056 235.1) |
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 #AAD3EC | 1.58:1 | Fails | Lc -30.0 | Non-text elements, placeholder text |
| Black text on #AAD3EC | 13.23:1 | AAA | Lc 77.2 | Fine for body text |
| #AAD3EC text on white | 1.58:1 | Fails | Lc 26.6 | Dividers and decoration only |
| #AAD3EC text on black | 13.23:1 | AAA | Lc -76.4 | Fine for body text |
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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEB
oklch(88.5% 0.031 234.5)
-
Step 300
300 (this color)
#AAD3EC
oklch(84.6% 0.056 235.1)
-
Step 400
400
#66AAD0
oklch(70.8% 0.089 234.4)
-
Step 500
500
#3494C4
oklch(63.2% 0.113 234.7)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#0C4763
oklch(37.7% 0.074 235.3)
-
Step 950
950
#0B2A3A
oklch(27.1% 0.047 234.9)
#AAD3EC 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) | #C8D2ED | 0.037 |
| Deuteranopia (no green cones) | #BECAEC | 0.032 |
| Tritanopia (no blue cones) | #96DADB | 0.042 |
| Achromatopsia (no color) | #CDCDCD | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD3EC
#AAD3EC
oklch(84.6% 0.056 235.1)
- #EAC4AA
#EAC4AA
oklch(84.7% 0.056 56.2)
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 #AAD3EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.019
- Light Blue Grey #B7C9E2 ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.032
- Celeste #A8DADC ΔE 0.034
- Light Steel Blue #B0C4DE ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.045
Use #AAD3EC 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.