#A9C5DC
Closest named color: Cloudy Blue (#ACC2D9). oklch(81% 0.045 243.1), rgb(169, 197, 220).
Aa
Black text reads best on this color (11.70:1).
About this color
#A9C5DC is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.045 and its hue 243°. 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 11.70:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.70:1 |
| White text | 1.79:1 |
Values
| HEX | #A9C5DC |
| RGB | rgb(169, 197, 220) |
| HSL | hsl(207, 42%, 76%) |
| OKLCH | oklch(81% 0.045 243.1) |
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 #A9C5DC | 1.79:1 | Fails | Lc -37.3 | Non-text elements, placeholder text |
| Black text on #A9C5DC | 11.70:1 | AAA | Lc 70.6 | Content text, not long reading |
| #A9C5DC text on white | 1.79:1 | Fails | Lc 33.2 | Non-text elements, placeholder text |
| #A9C5DC text on black | 11.70:1 | 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
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300 (this color)
#A9C5DC
oklch(81% 0.045 243.1)
-
Step 400
400
#7AA6CA
oklch(70.7% 0.071 243.7)
-
Step 500
500
#5690BC
oklch(63.2% 0.09 242.7)
-
Step 600
600
#3979A9
oklch(55.6% 0.1 243.7)
-
Step 700
700
#2A6691
oklch(49.1% 0.093 243.1)
-
Step 800
800
#255375
oklch(42.6% 0.076 243.3)
-
Step 900
900
#23455F
oklch(37.7% 0.06 243.4)
-
Step 950
950
#152937
oklch(27.1% 0.037 240.5)
#A9C5DC 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) | #BCC5DD | 0.025 |
| Deuteranopia (no green cones) | #B5BFDC | 0.021 |
| Tritanopia (no blue cones) | #9BCBCC | 0.037 |
| Achromatopsia (no color) | #C1C1C1 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9C5DC
#A9C5DC
oklch(81% 0.045 243.1)
- #D6BBA4
#D6BBA4
oklch(80.9% 0.044 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 #A9C5DC, 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 0.010
- Light Blue Grey #B7C9E2 ΔE 0.023
- Light Cornflower Blue #98C1D9 ΔE 0.025
- Light Grey Blue #9DBCD4 ΔE 0.030
- Sky Blue #87CEEB ΔE 0.042
- Silver #C0C0C0 ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.048
Use #A9C5DC 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.