#AAACC9
Closest named color: French Gray (#ADB5BD). oklch(75.2% 0.042 282.2), rgb(170, 172, 201).
Aa
Black text reads best on this color (9.45:1).
About this color
#AAACC9 is a medium-light, muted purple. In OKLCH its lightness is 75%, its chroma 0.042 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.035 away. Black text reads best on it, at 9.45:1.
| Hue family | Purples |
| Lightness | medium-light (75%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.45:1 |
| White text | 2.22:1 |
Values
| HEX | #AAACC9 |
| RGB | rgb(170, 172, 201) |
| HSL | hsl(236, 22%, 73%) |
| OKLCH | oklch(75.2% 0.042 282.2) |
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 #AAACC9 | 2.22:1 | Fails | Lc -48.6 | Large or bold text, headings |
| Black text on #AAACC9 | 9.45:1 | AAA | Lc 60.2 | Content text, not long reading |
| #AAACC9 text on white | 2.22:1 | Fails | Lc 43.8 | Non-text elements, placeholder text |
| #AAACC9 text on black | 9.45:1 | AAA | Lc -58.4 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D7D8E3
oklch(88.5% 0.015 281.9)
-
Step 300
300
#BDBFD1
oklch(80.9% 0.025 280.8)
-
Step 400
400 (this color)
#AAACC9
oklch(75.2% 0.042 282.2)
-
Step 500
500
#8486A9
oklch(63.1% 0.052 282.2)
-
Step 600
600
#6E6F95
oklch(55.6% 0.059 283.1)
-
Step 700
700
#5C5D7F
oklch(49.1% 0.054 282.9)
-
Step 800
800
#4B4C67
oklch(42.7% 0.045 282.7)
-
Step 900
900
#3E3F54
oklch(37.6% 0.036 282.4)
-
Step 950
950
#252531
oklch(27% 0.022 284.8)
#AAACC9 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) | #A5AFCA | 0.010 |
| Deuteranopia (no green cones) | #A4ADC8 | 0.009 |
| Tritanopia (no blue cones) | #A3B1B5 | 0.038 |
| Achromatopsia (no color) | #AEAEAE | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAACC9
#AAACC9
oklch(75.2% 0.042 282.2)
- #B3B092
#B3B092
oklch(75.2% 0.042 102.6)
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 #AAACC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.042
- Cool Steel #97A7B3 ΔE 0.043
- Dark Gray #A9A9A9 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.056
- Cloudy Blue #ACC2D9 ΔE 0.057
- Pinkish Grey #C8ACA9 ΔE 0.061
- Cool Grey #95A3A6 ΔE 0.061
Use #AAACC9 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.