#A9D9FF
Closest named color: Baby Blue (#A2CFFE). oklch(86.5% 0.073 242.5), rgb(169, 217, 255).
Aa
Black text reads best on this color (14.05:1).
About this color
#A9D9FF is a light, moderately saturated blue. In OKLCH its lightness is 86%, its chroma 0.073 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.029 away. Black text reads best on it, at 14.05:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 14.05:1 |
| White text | 1.49:1 |
Values
| HEX | #A9D9FF |
| RGB | rgb(169, 217, 255) |
| HSL | hsl(207, 100%, 83%) |
| OKLCH | oklch(86.5% 0.073 242.5) |
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 #A9D9FF | 1.49:1 | Fails | Lc -26.3 | Dividers and decoration only |
| Black text on #A9D9FF | 14.05:1 | AAA | Lc 80.6 | Fine for body text |
| #A9D9FF text on white | 1.49:1 | Fails | Lc 23.1 | Dividers and decoration only |
| #A9D9FF text on black | 14.05:1 | AAA | Lc -80.1 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DBEDFB
oklch(93.7% 0.027 241.2)
-
Step 200
200 (this color)
#A9D9FF
oklch(86.5% 0.073 242.5)
-
Step 300
300
#8AC8F8
oklch(80.8% 0.093 242.6)
-
Step 400
400
#35A9F5
oklch(70.6% 0.15 242.7)
-
Step 500
500
#0091DC
oklch(63% 0.151 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#A9D9FF 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) | #C9D8FF | 0.038 |
| Deuteranopia (no green cones) | #BECFFE | 0.034 |
| Tritanopia (no blue cones) | #8DE2E5 | 0.059 |
| Achromatopsia (no color) | #D3D3D3 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9D9FF
#A9D9FF
oklch(86.5% 0.073 242.5)
- #F6C9A2
#F6C9A2
oklch(86.6% 0.073 62.6)
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 #A9D9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.050
- Celeste #A8DADC ΔE 0.051
- Light Periwinkle #C1C6FC ΔE 0.054
- Sky Blue #87CEEB ΔE 0.055
Use #A9D9FF 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.