#A9C5DB
Closest named color: Cloudy Blue (#ACC2D9). oklch(81% 0.043 241.8), rgb(169, 197, 219).
Aa
Black text reads best on this color (11.69:1).
About this color
#A9C5DB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.043 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.008 away. Black text reads best on it, at 11.69:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.69:1 |
| White text | 1.79:1 |
Values
| HEX | #A9C5DB |
| RGB | rgb(169, 197, 219) |
| HSL | hsl(206, 41%, 76%) |
| OKLCH | oklch(81% 0.043 241.8) |
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 #A9C5DB | 1.79:1 | Fails | Lc -37.3 | Non-text elements, placeholder text |
| Black text on #A9C5DB | 11.69:1 | AAA | Lc 70.6 | Content text, not long reading |
| #A9C5DB text on white | 1.79:1 | Fails | Lc 33.3 | Non-text elements, placeholder text |
| #A9C5DB text on black | 11.69:1 | AAA | Lc -69.4 | Content text, not long reading |
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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDCE8
oklch(88.6% 0.024 240.1)
-
Step 300
300 (this color)
#A9C5DB
oklch(81% 0.043 241.8)
-
Step 400
400
#7AA6C9
oklch(70.6% 0.07 242.9)
-
Step 500
500
#5690BB
oklch(63.1% 0.089 242.1)
-
Step 600
600
#397AA7
oklch(55.7% 0.096 241.6)
-
Step 700
700
#2B668F
oklch(49.1% 0.09 242.2)
-
Step 800
800
#255374
oklch(42.6% 0.075 242.5)
-
Step 900
900
#23455E
oklch(37.7% 0.059 242.4)
-
Step 950
950
#152937
oklch(27.1% 0.037 240.5)
#A9C5DB 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) | #BCC4DC | 0.024 |
| Deuteranopia (no green cones) | #B5BFDB | 0.021 |
| Tritanopia (no blue cones) | #9BCACC | 0.034 |
| Achromatopsia (no color) | #C1C1C1 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9C5DB
#A9C5DB
oklch(81% 0.043 241.8)
- #D6BBA5
#D6BBA5
oklch(80.9% 0.043 61.3)
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 #A9C5DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.008
- Light Steel Blue #B0C4DE ΔE 0.011
- Light Blue Grey #B7C9E2 ΔE 0.023
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Light Grey Blue #9DBCD4 ΔE 0.030
- Sky Blue #87CEEB ΔE 0.042
- Silver #C0C0C0 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.049
Use #A9C5DB 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.