#AAD4E3
Closest named color: Light Blue (#ADD8E6). oklch(84.5% 0.049 221.6), rgb(170, 212, 227).
Aa
Black text reads best on this color (13.23:1).
About this color
#AAD4E3 is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.049 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.011 away. Black text reads best on it, at 13.23:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.23:1 |
| White text | 1.58:1 |
Values
| HEX | #AAD4E3 |
| RGB | rgb(170, 212, 227) |
| HSL | hsl(196, 50%, 78%) |
| OKLCH | oklch(84.5% 0.049 221.6) |
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 #AAD4E3 | 1.58:1 | Fails | Lc -30.0 | Non-text elements, placeholder text |
| Black text on #AAD4E3 | 13.23:1 | AAA | Lc 77.2 | Fine for body text |
| #AAD4E3 text on white | 1.58:1 | Fails | Lc 26.6 | Dividers and decoration only |
| #AAD4E3 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300 (this color)
#AAD4E3
oklch(84.5% 0.049 221.6)
-
Step 400
400
#66ACC3
oklch(70.7% 0.078 221.2)
-
Step 500
500
#3397B4
oklch(63.2% 0.099 221.2)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#0A495A
oklch(37.7% 0.065 221.5)
-
Step 950
950
#0A2B35
oklch(27% 0.042 221.8)
#AAD4E3 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) | #CBD1E4 | 0.041 |
| Deuteranopia (no green cones) | #C2CAE3 | 0.038 |
| Tritanopia (no blue cones) | #99D9D9 | 0.030 |
| Achromatopsia (no color) | #CDCDCD | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD4E3
#AAD4E3
oklch(84.5% 0.049 221.6)
- #E9C2B4
#E9C2B4
oklch(84.4% 0.049 40.7)
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 #AAD4E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.011
- Celeste #A8DADC ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.032
- Powder Blue #B0E0E6 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.041
- Sky Blue #87CEEB ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.045
Use #AAD4E3 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.