#AAD4E9
Closest named color: Light Blue (#ADD8E6). oklch(84.7% 0.053 229.8), rgb(170, 212, 233).
Aa
Black text reads best on this color (13.30:1).
About this color
#AAD4E9 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.053 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.014 away. Black text reads best on it, at 13.30:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.30:1 |
| White text | 1.57:1 |
Values
| HEX | #AAD4E9 |
| RGB | rgb(170, 212, 233) |
| HSL | hsl(200, 59%, 79%) |
| OKLCH | oklch(84.7% 0.053 229.8) |
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 #AAD4E9 | 1.57:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #AAD4E9 | 13.30:1 | AAA | Lc 77.5 | Fine for body text |
| #AAD4E9 text on white | 1.57:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #AAD4E9 text on black | 13.30:1 | AAA | Lc -76.7 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE9
oklch(88.4% 0.03 230.3)
-
Step 300
300 (this color)
#AAD4E9
oklch(84.7% 0.053 229.8)
-
Step 400
400
#65ABCB
oklch(70.7% 0.085 229.2)
-
Step 500
500
#3195BE
oklch(63.1% 0.108 229.8)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#094860
oklch(37.7% 0.071 230.2)
-
Step 950
950
#0A2A38
oklch(26.9% 0.045 230.7)
#AAD4E9 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) | #C9D2EA | 0.038 |
| Deuteranopia (no green cones) | #C0CBE9 | 0.034 |
| Tritanopia (no blue cones) | #97DADA | 0.038 |
| Achromatopsia (no color) | #CECECE | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD4E9
#AAD4E9
oklch(84.7% 0.053 229.8)
- #EAC3AF
#EAC3AF
oklch(84.6% 0.052 48.7)
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 #AAD4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.014
- Celeste #A8DADC ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.036
- Baby Blue #A2CFFE ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.041
- Sky Blue #87CEEB ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.047
Use #AAD4E9 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.