#A9BCDA
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.1% 0.048 259.5), rgb(169, 188, 218).
Aa
Black text reads best on this color (10.89:1).
About this color
#A9BCDA is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.048 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.018 away. Black text reads best on it, at 10.89:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 10.89:1 |
| White text | 1.92:1 |
Values
| HEX | #A9BCDA |
| RGB | rgb(169, 188, 218) |
| HSL | hsl(217, 40%, 76%) |
| OKLCH | oklch(79.1% 0.048 259.5) |
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 #A9BCDA | 1.92:1 | Fails | Lc -41.2 | Non-text elements, placeholder text |
| Black text on #A9BCDA | 10.89:1 | AAA | Lc 67.0 | Content text, not long reading |
| #A9BCDA text on white | 1.92:1 | Fails | Lc 36.9 | Non-text elements, placeholder text |
| #A9BCDA text on black | 10.89:1 | AAA | Lc -65.5 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300 (this color)
#A9BCDA
oklch(79.1% 0.048 259.5)
-
Step 400
400
#84A2D1
oklch(70.7% 0.077 259.2)
-
Step 500
500
#668AC4
oklch(63.1% 0.097 259.7)
-
Step 600
600
#4D73B1
oklch(55.6% 0.106 259.8)
-
Step 700
700
#3E6098
oklch(49% 0.099 259.9)
-
Step 800
800
#334F7B
oklch(42.7% 0.081 259.1)
-
Step 900
900
#2D4263
oklch(37.7% 0.063 259.2)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#A9BCDA 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) | #B2BDDB | 0.012 |
| Deuteranopia (no green cones) | #ADB9D9 | 0.009 |
| Tritanopia (no blue cones) | #9CC2C6 | 0.042 |
| Achromatopsia (no color) | #BBBBBB | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9BCDA
#A9BCDA
oklch(79.1% 0.048 259.5)
- #CBB899
#CBB899
oklch(79.1% 0.047 80)
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 #A9BCDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Grey Blue #9DBCD4 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.024
- French Gray #ADB5BD ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.040
- Pastel Blue #A2BFFE ΔE 0.051
- Silver #C0C0C0 ΔE 0.051
Use #A9BCDA 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.