#AAA3B9
Closest named color: Cool Steel (#97A7B3). oklch(72.8% 0.032 300.1), rgb(170, 163, 185).
Aa
Black text reads best on this color (8.64:1).
About this color
#AAA3B9 is a medium-light, muted purple. In OKLCH its lightness is 73%, its chroma 0.032 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.031 away. Black text reads best on it, at 8.64:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #AAA3B9 |
| RGB | rgb(170, 163, 185) |
| HSL | hsl(259, 14%, 68%) |
| OKLCH | oklch(72.8% 0.032 300.1) |
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 #AAA3B9 | 2.42:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #AAA3B9 | 8.64:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #AAA3B9 text on white | 2.42:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #AAA3B9 text on black | 8.64:1 | AAA | Lc -54.2 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#DAD8E0
oklch(88.6% 0.011 297.6)
-
Step 300
300
#C2BECC
oklch(80.9% 0.02 299)
-
Step 400
400 (this color)
#AAA3B9
oklch(72.8% 0.032 300.1)
-
Step 500
500
#8D849F
oklch(63.1% 0.041 300.4)
-
Step 600
600
#776E8A
oklch(55.7% 0.044 299.7)
-
Step 700
700
#645C75
oklch(49.2% 0.041 299.5)
-
Step 800
800
#524B5F
oklch(42.7% 0.034 301)
-
Step 900
900
#443F4E
oklch(37.9% 0.026 300.4)
-
Step 950
950
#28252E
oklch(27.2% 0.017 300.5)
#AAA3B9 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) | #9FA6BA | 0.016 |
| Deuteranopia (no green cones) | #A0A6B8 | 0.016 |
| Tritanopia (no blue cones) | #A8A6AA | 0.026 |
| Achromatopsia (no color) | #A6A6A6 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA3B9
#AAA3B9
oklch(72.8% 0.032 300.1)
- #A4AB94
#A4AB94
oklch(72.9% 0.033 121)
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 #AAA3B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.031
- Dark Gray #A9A9A9 ΔE 0.033
- Cool Grey #95A3A6 ΔE 0.043
- French Gray #ADB5BD ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.049
- Pewter #96A8A1 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.052
- Cool Gray #8D99AE ΔE 0.053
Use #AAA3B9 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.