#A9D2EF
Closest named color: Light Blue (#ADD8E6). oklch(84.4% 0.059 239.2), rgb(169, 210, 239).
Aa
Black text reads best on this color (13.15:1).
About this color
#A9D2EF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.059 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.024 away. Black text reads best on it, at 13.15:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.15:1 |
| White text | 1.59:1 |
Values
| HEX | #A9D2EF |
| RGB | rgb(169, 210, 239) |
| HSL | hsl(205, 69%, 80%) |
| OKLCH | oklch(84.4% 0.059 239.2) |
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 #A9D2EF | 1.59:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #A9D2EF | 13.15:1 | AAA | Lc 76.9 | Fine for body text |
| #A9D2EF text on white | 1.59:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #A9D2EF text on black | 13.15:1 | AAA | Lc -76.1 | 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 300.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300 (this color)
#A9D2EF
oklch(84.4% 0.059 239.2)
-
Step 400
400
#66A9D6
oklch(70.8% 0.095 239.4)
-
Step 500
500
#3392CB
oklch(63.1% 0.122 239.6)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#0B4667
oklch(37.6% 0.08 239.8)
-
Step 950
950
#0A293C
oklch(26.9% 0.05 239.7)
#A9D2EF 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) | #C6D1F1 | 0.036 |
| Deuteranopia (no green cones) | #BCC9EF | 0.031 |
| Tritanopia (no blue cones) | #94D9DB | 0.046 |
| Achromatopsia (no color) | #CDCDCD | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9D2EF
#A9D2EF
oklch(84.4% 0.059 239.2)
- #EAC3A6
#EAC3A6
oklch(84.4% 0.059 58.5)
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 #A9D2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.037
- Celeste #A8DADC ΔE 0.040
- Sky Blue #87CEEB ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.044
Use #A9D2EF 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.