#AAD3EE
Closest named color: Light Blue (#ADD8E6). oklch(84.7% 0.057 237.2), rgb(170, 211, 238).
Aa
Black text reads best on this color (13.26:1).
About this color
#AAD3EE is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.057 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.021 away. Black text reads best on it, at 13.26:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.26:1 |
| White text | 1.58:1 |
Values
| HEX | #AAD3EE |
| RGB | rgb(170, 211, 238) |
| HSL | hsl(204, 67%, 80%) |
| OKLCH | oklch(84.7% 0.057 237.2) |
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 #AAD3EE | 1.58:1 | Fails | Lc -29.9 | Dividers and decoration only |
| Black text on #AAD3EE | 13.26:1 | AAA | Lc 77.3 | Fine for body text |
| #AAD3EE text on white | 1.58:1 | Fails | Lc 26.5 | Dividers and decoration only |
| #AAD3EE text on black | 13.26:1 | AAA | Lc -76.5 | 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
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300 (this color)
#AAD3EE
oklch(84.7% 0.057 237.2)
-
Step 400
400
#66A9D3
oklch(70.7% 0.092 237.5)
-
Step 500
500
#3393C7
oklch(63.1% 0.117 236.9)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#0B4765
oklch(37.8% 0.077 236.9)
-
Step 950
950
#0A2A3B
oklch(27.1% 0.048 236)
#AAD3EE 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) | #C7D2EF | 0.036 |
| Deuteranopia (no green cones) | #BECAEE | 0.032 |
| Tritanopia (no blue cones) | #95DADC | 0.044 |
| Achromatopsia (no color) | #CDCDCD | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD3EE
#AAD3EE
oklch(84.7% 0.057 237.2)
- #EAC4A9
#EAC4A9
oklch(84.6% 0.057 57.3)
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 #AAD3EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.029
- Celeste #A8DADC ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.042
- Light Sky Blue #87CEFA ΔE 0.045
Use #AAD3EE 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.