#AAA9C1
Closest named color: Cool Steel (#97A7B3). oklch(74.3% 0.034 287.4), rgb(170, 169, 193).
Aa
Black text reads best on this color (9.15:1).
About this color
#AAA9C1 is a medium-light, muted purple. In OKLCH its lightness is 74%, its chroma 0.034 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.035 away. Black text reads best on it, at 9.15:1.
| Hue family | Purples |
| Lightness | medium-light (74%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.15:1 |
| White text | 2.29:1 |
Values
| HEX | #AAA9C1 |
| RGB | rgb(170, 169, 193) |
| HSL | hsl(242, 16%, 71%) |
| OKLCH | oklch(74.3% 0.034 287.4) |
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 #AAA9C1 | 2.29:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #AAA9C1 | 9.15:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #AAA9C1 text on white | 2.29:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #AAA9C1 text on black | 9.15:1 | AAA | Lc -56.8 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D8D8E1
oklch(88.5% 0.012 286.1)
-
Step 300
300
#BFBFCE
oklch(80.9% 0.021 285.9)
-
Step 400
400 (this color)
#AAA9C1
oklch(74.3% 0.034 287.4)
-
Step 500
500
#8786A3
oklch(63.1% 0.043 286.7)
-
Step 600
600
#716F8E
oklch(55.5% 0.048 287.7)
-
Step 700
700
#5F5D79
oklch(49.1% 0.044 287.9)
-
Step 800
800
#4D4C62
oklch(42.6% 0.036 286.8)
-
Step 900
900
#403F50
oklch(37.6% 0.029 287.6)
-
Step 950
950
#26252F
oklch(27% 0.018 289.7)
#AAA9C1 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) | #A4ACC2 | 0.011 |
| Deuteranopia (no green cones) | #A3ABC0 | 0.011 |
| Tritanopia (no blue cones) | #A6ADB1 | 0.030 |
| Achromatopsia (no color) | #ABABAB | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA9C1
#AAA9C1
oklch(74.3% 0.034 287.4)
- #AEAE95
#AEAE95
oklch(74.4% 0.035 107.2)
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 #AAA9C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.035
- Dark Gray #A9A9A9 ΔE 0.035
- French Gray #ADB5BD ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.051
- Cool Grey #95A3A6 ΔE 0.051
- Pewter #96A8A1 ΔE 0.056
- Pinkish Grey #C8ACA9 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.058
Use #AAA9C1 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.