#A9DAEA
Closest named color: Light Blue (#ADD8E6). oklch(85.9% 0.055 219.8), rgb(169, 218, 234).
Aa
Black text reads best on this color (13.90:1).
About this color
#A9DAEA is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.055 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.007 away. Black text reads best on it, at 13.90:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.90:1 |
| White text | 1.51:1 |
Values
| HEX | #A9DAEA |
| RGB | rgb(169, 218, 234) |
| HSL | hsl(195, 61%, 79%) |
| OKLCH | oklch(85.9% 0.055 219.8) |
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 #A9DAEA | 1.51:1 | Fails | Lc -27.0 | Dividers and decoration only |
| Black text on #A9DAEA | 13.90:1 | AAA | Lc 80.0 | Fine for body text |
| #A9DAEA text on white | 1.51:1 | Fails | Lc 23.8 | Dividers and decoration only |
| #A9DAEA text on black | 13.90:1 | AAA | Lc -79.4 | 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 200.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DCEDF3
oklch(93.5% 0.02 220.9)
-
Step 200
200 (this color)
#A9DAEA
oklch(85.9% 0.055 219.8)
-
Step 300
300
#8CCCE0
oklch(80.9% 0.071 219.4)
-
Step 400
400
#36B1D1
oklch(70.8% 0.114 219.4)
-
Step 500
500
#0099B9
oklch(63.1% 0.115 219.7)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#A9DAEA 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) | #D0D7EB | 0.048 |
| Deuteranopia (no green cones) | #C6CFEA | 0.043 |
| Tritanopia (no blue cones) | #94E0DF | 0.034 |
| Achromatopsia (no color) | #D2D2D2 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DAEA
#A9DAEA
oklch(85.9% 0.055 219.8)
- #F2C5B6
#F2C5B6
oklch(85.9% 0.056 39.3)
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 #A9DAEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.007
- Celeste #A8DADC ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.048
- Sky Blue #87CEEB ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #A9DAEA 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.