#AAA3BB
Closest named color: Cool Steel (#97A7B3). oklch(72.9% 0.035 298.9), rgb(170, 163, 187).
Aa
Black text reads best on this color (8.66:1).
About this color
#AAA3BB is a medium-light, muted purple. In OKLCH its lightness is 73%, its chroma 0.035 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.032 away. Black text reads best on it, at 8.66:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.66:1 |
| White text | 2.42:1 |
Values
| HEX | #AAA3BB |
| RGB | rgb(170, 163, 187) |
| HSL | hsl(258, 15%, 69%) |
| OKLCH | oklch(72.9% 0.035 298.9) |
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 #AAA3BB | 2.42:1 | Fails | Lc -52.7 | Large or bold text, headings |
| Black text on #AAA3BB | 8.66:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #AAA3BB text on white | 2.42:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #AAA3BB text on black | 8.66:1 | AAA | Lc -54.3 | 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
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#DAD7E0
oklch(88.4% 0.013 301.3)
-
Step 300
300
#C2BECD
oklch(80.9% 0.021 298.1)
-
Step 400
400 (this color)
#AAA3BB
oklch(72.9% 0.035 298.9)
-
Step 500
500
#8D84A1
oklch(63.1% 0.044 299.3)
-
Step 600
600
#776D8C
oklch(55.5% 0.049 299.6)
-
Step 700
700
#645B77
oklch(49% 0.045 299.4)
-
Step 800
800
#524B61
oklch(42.8% 0.037 299.4)
-
Step 900
900
#433E4F
oklch(37.6% 0.029 298.4)
-
Step 950
950
#27252E
oklch(27% 0.017 295.4)
#AAA3BB 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) | #9FA6BC | 0.016 |
| Deuteranopia (no green cones) | #A0A6BA | 0.016 |
| Tritanopia (no blue cones) | #A7A6AB | 0.028 |
| Achromatopsia (no color) | #A6A6A6 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA3BB
#AAA3BB
oklch(72.9% 0.035 298.9)
- #A5AB92
#A5AB92
oklch(72.9% 0.036 118.3)
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 #AAA3BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.032
- Dark Gray #A9A9A9 ΔE 0.036
- Cool Grey #95A3A6 ΔE 0.045
- French Gray #ADB5BD ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.053
- Cool Gray #8D99AE ΔE 0.053
- Pewter #96A8A1 ΔE 0.054
Use #AAA3BB 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.