#A9DAEF
Closest named color: Light Blue (#ADD8E6). oklch(86.1% 0.059 226), rgb(169, 218, 239).
Aa
Black text reads best on this color (13.96:1).
About this color
#A9DAEF is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.059 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.012 away. Black text reads best on it, at 13.96:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.96:1 |
| White text | 1.50:1 |
Values
| HEX | #A9DAEF |
| RGB | rgb(169, 218, 239) |
| HSL | hsl(198, 69%, 80%) |
| OKLCH | oklch(86.1% 0.059 226) |
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 #A9DAEF | 1.50:1 | Fails | Lc -26.7 | Dividers and decoration only |
| Black text on #A9DAEF | 13.96:1 | AAA | Lc 80.2 | Fine for body text |
| #A9DAEF text on white | 1.50:1 | Fails | Lc 23.5 | Dividers and decoration only |
| #A9DAEF text on black | 13.96:1 | AAA | Lc -79.7 | 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 200.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DBEDF5
oklch(93.5% 0.022 226.1)
-
Step 200
200 (this color)
#A9DAEF
oklch(86.1% 0.059 226)
-
Step 300
300
#8BCBE6
oklch(80.8% 0.075 226.3)
-
Step 400
400
#35AFDA
oklch(70.7% 0.121 226.5)
-
Step 500
500
#0097C1
oklch(63% 0.121 226.4)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#A9DAEF 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) | #CFD7F0 | 0.046 |
| Deuteranopia (no green cones) | #C4CFEF | 0.041 |
| Tritanopia (no blue cones) | #93E0E0 | 0.039 |
| Achromatopsia (no color) | #D3D3D3 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DAEF
#A9DAEF
oklch(86.1% 0.059 226)
- #F3C6B2
#F3C6B2
oklch(86.1% 0.058 45.2)
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 #A9DAEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.012
- Powder Blue #B0E0E6 ΔE 0.025
- Celeste #A8DADC ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.049
- Sky Blue #87CEEB ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #A9DAEF 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.