#A9ACDA
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.8% 0.066 281.8), rgb(169, 172, 218).
Aa
Black text reads best on this color (9.60:1).
About this color
#A9ACDA is a medium-light, muted purple. In OKLCH its lightness is 76%, its chroma 0.066 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.048 away. Black text reads best on it, at 9.60:1.
| Hue family | Purples |
| Lightness | medium-light (76%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.60:1 |
| White text | 2.18:1 |
Values
| HEX | #A9ACDA |
| RGB | rgb(169, 172, 218) |
| HSL | hsl(236, 40%, 76%) |
| OKLCH | oklch(75.8% 0.066 281.8) |
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 #A9ACDA | 2.18:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #A9ACDA | 9.60:1 | AAA | Lc 60.9 | Content text, not long reading |
| #A9ACDA text on white | 2.18:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #A9ACDA text on black | 9.60:1 | AAA | Lc -59.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E8
oklch(88.5% 0.022 280.3)
-
Step 300
300
#BCBEDB
oklch(80.9% 0.041 282.3)
-
Step 400
400 (this color)
#A9ACDA
oklch(75.8% 0.066 281.8)
-
Step 500
500
#8183BC
oklch(63.1% 0.085 282.1)
-
Step 600
600
#6B6CA8
oklch(55.6% 0.092 282.2)
-
Step 700
700
#595A90
oklch(49.1% 0.086 281.9)
-
Step 800
800
#494A75
oklch(42.8% 0.071 282)
-
Step 900
900
#3D3E5E
oklch(37.7% 0.054 282.1)
-
Step 950
950
#242437
oklch(26.9% 0.035 283.8)
#A9ACDA 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) | #A0B1DC | 0.016 |
| Deuteranopia (no green cones) | #9EAED9 | 0.015 |
| Tritanopia (no blue cones) | #9EB4BC | 0.057 |
| Achromatopsia (no color) | #AFAFAF | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9ACDA
#A9ACDA
oklch(75.8% 0.066 281.8)
- #B9B282
#B9B282
oklch(75.7% 0.065 100.8)
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 #A9ACDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.048
- French Gray #ADB5BD ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.059
- Cloudy Blue #ACC2D9 ΔE 0.061
- Pastel Blue #A2BFFE ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.061
- Cool Steel #97A7B3 ΔE 0.063
- Light Steel Blue #B0C4DE ΔE 0.065
Use #A9ACDA 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.