#AAA9C3
Closest named color: Cool Steel (#97A7B3). oklch(74.4% 0.037 287.2), rgb(170, 169, 195).
Aa
Black text reads best on this color (9.17:1).
About this color
#AAA9C3 is a medium-light, muted purple. In OKLCH its lightness is 74%, its chroma 0.037 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.037 away. Black text reads best on it, at 9.17:1.
| Hue family | Purples |
| Lightness | medium-light (74%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.17:1 |
| White text | 2.28:1 |
Values
| HEX | #AAA9C3 |
| RGB | rgb(170, 169, 195) |
| HSL | hsl(242, 18%, 71%) |
| OKLCH | oklch(74.4% 0.037 287.2) |
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 #AAA9C3 | 2.28:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #AAA9C3 | 9.17:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #AAA9C3 text on white | 2.28:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #AAA9C3 text on black | 9.17:1 | AAA | Lc -56.9 | 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
#BFBFCF
oklch(81% 0.022 285.9)
-
Step 400
400 (this color)
#AAA9C3
oklch(74.4% 0.037 287.2)
-
Step 500
500
#8785A5
oklch(63% 0.048 287.8)
-
Step 600
600
#716F90
oklch(55.6% 0.051 287.4)
-
Step 700
700
#5F5D7B
oklch(49.2% 0.048 287.6)
-
Step 800
800
#4D4C64
oklch(42.7% 0.039 286.5)
-
Step 900
900
#403F51
oklch(37.6% 0.031 287.4)
-
Step 950
950
#262530
oklch(27% 0.02 289.1)
#AAA9C3 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) | #A3ACC4 | 0.012 |
| Deuteranopia (no green cones) | #A3ABC2 | 0.011 |
| Tritanopia (no blue cones) | #A5ADB1 | 0.033 |
| Achromatopsia (no color) | #ABABAB | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA9C3
#AAA9C3
oklch(74.4% 0.037 287.2)
- #AEAE93
#AEAE93
oklch(74.3% 0.037 107.3)
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 #AAA9C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.037
- French Gray #ADB5BD ΔE 0.037
- Dark Gray #A9A9A9 ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.050
- Cool Grey #95A3A6 ΔE 0.053
- Pinkish Grey #C8ACA9 ΔE 0.058
- Bluey Grey #89A0B0 ΔE 0.059
- Pewter #96A8A1 ΔE 0.059
Use #AAA9C3 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.