#AAD9EA
Closest named color: Light Blue (#ADD8E6). oklch(85.8% 0.054 222), rgb(170, 217, 234).
Aa
Black text reads best on this color (13.82:1).
About this color
#AAD9EA is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.054 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.006 away. Black text reads best on it, at 13.82:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.82:1 |
| White text | 1.51:1 |
Values
| HEX | #AAD9EA |
| RGB | rgb(170, 217, 234) |
| HSL | hsl(196, 60%, 79%) |
| OKLCH | oklch(85.8% 0.054 222) |
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 #AAD9EA | 1.51:1 | Fails | Lc -27.3 | Dividers and decoration only |
| Black text on #AAD9EA | 13.82:1 | AAA | Lc 79.6 | Fine for body text |
| #AAD9EA text on white | 1.51:1 | Fails | Lc 24.1 | Dividers and decoration only |
| #AAD9EA text on black | 13.82:1 | AAA | Lc -79.0 | 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 200.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DCEDF4
oklch(93.6% 0.02 224.3)
-
Step 200
200 (this color)
#AAD9EA
oklch(85.8% 0.054 222)
-
Step 300
300
#8ECBE1
oklch(80.8% 0.07 222.5)
-
Step 400
400
#3EB0D2
oklch(70.8% 0.111 221.7)
-
Step 500
500
#0098BC
oklch(63% 0.117 222.5)
-
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
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#AAD9EA 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) | #CFD6EB | 0.046 |
| Deuteranopia (no green cones) | #C5CEEA | 0.042 |
| Tritanopia (no blue cones) | #96DFDE | 0.035 |
| Achromatopsia (no color) | #D2D2D2 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD9EA
#AAD9EA
oklch(85.8% 0.054 222)
- #F0C5B5
#F0C5B5
oklch(85.7% 0.054 41.4)
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 #AAD9EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.006
- Celeste #A8DADC ΔE 0.021
- Powder Blue #B0E0E6 ΔE 0.023
- Light Blue Grey #B7C9E2 ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.046
- Sky Blue #87CEEB ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.053
Use #AAD9EA 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.