#AAA4B0
Closest named color: Dark Gray (#A9A9A9). oklch(72.7% 0.018 308.2), rgb(170, 164, 176).
Aa
Black text reads best on this color (8.64:1).
About this color
#AAA4B0 is a medium-light close to neutral grey. In OKLCH its lightness is 73%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.020 away. Black text reads best on it, at 8.64:1.
| Hue family | Neutrals |
| Lightness | medium-light (73%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #AAA4B0 |
| RGB | rgb(170, 164, 176) |
| HSL | hsl(270, 7%, 67%) |
| OKLCH | oklch(72.7% 0.018 308.2) |
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 #AAA4B0 | 2.42:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #AAA4B0 | 8.64:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #AAA4B0 text on white | 2.42:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #AAA4B0 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EAE9EB
oklch(93.5% 0.003 308.4)
-
Step 200
200
#DAD8DC
oklch(88.5% 0.006 308.4)
-
Step 300
300
#C2BFC6
oklch(80.9% 0.01 305.4)
-
Step 400
400 (this color)
#AAA4B0
oklch(72.7% 0.018 308.2)
-
Step 500
500
#8D8695
oklch(63.1% 0.024 306.7)
-
Step 600
600
#77707F
oklch(55.7% 0.024 306.6)
-
Step 700
700
#645D6B
oklch(49% 0.024 307.9)
-
Step 800
800
#524C57
oklch(42.6% 0.019 309.8)
-
Step 900
900
#443F48
oklch(37.6% 0.016 310.3)
-
Step 950
950
#28252A
oklch(27% 0.01 312.1)
#AAA4B0 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) | #A2A6B1 | 0.012 |
| Deuteranopia (no green cones) | #A3A6B0 | 0.011 |
| Tritanopia (no blue cones) | #A9A5A8 | 0.013 |
| Achromatopsia (no color) | #A6A6A6 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA4B0
#AAA4B0
oklch(72.7% 0.018 308.2)
- #A3A99D
#A3A99D
oklch(72.6% 0.018 128.7)
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 #AAA4B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.020
- Cool Steel #97A7B3 ΔE 0.026
- Cool Grey #95A3A6 ΔE 0.034
- Pewter #96A8A1 ΔE 0.040
- French Gray #ADB5BD ΔE 0.045
- Cement #A5A391 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.050
Use #AAA4B0 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.