#AAA0B4
Closest named color: Cool Steel (#97A7B3). oklch(72.1% 0.031 308), rgb(170, 160, 180).
Aa
Black text reads best on this color (8.39:1).
About this color
#AAA0B4 is a medium-light, muted purple. In OKLCH its lightness is 72%, its chroma 0.031 and its hue 308°. 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 8.39:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #AAA0B4 |
| RGB | rgb(170, 160, 180) |
| HSL | hsl(270, 12%, 67%) |
| OKLCH | oklch(72.1% 0.031 308) |
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 #AAA0B4 | 2.50:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #AAA0B4 | 8.39:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #AAA0B4 text on white | 2.50:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #AAA0B4 text on black | 8.39:1 | AAA | Lc -52.9 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DBD7DF
oklch(88.5% 0.012 308.3)
-
Step 300
300
#C4BDCA
oklch(80.8% 0.02 309.8)
-
Step 400
400 (this color)
#AAA0B4
oklch(72.1% 0.031 308)
-
Step 500
500
#90839C
oklch(63% 0.04 308.6)
-
Step 600
600
#7A6D87
oklch(55.6% 0.042 307.6)
-
Step 700
700
#675B72
oklch(49.1% 0.039 308.5)
-
Step 800
800
#544A5D
oklch(42.6% 0.033 308.7)
-
Step 900
900
#453E4C
oklch(37.6% 0.025 307.7)
-
Step 950
950
#29242D
oklch(27% 0.018 310.1)
#AAA0B4 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) | #9DA3B5 | 0.019 |
| Deuteranopia (no green cones) | #9FA4B3 | 0.019 |
| Tritanopia (no blue cones) | #A9A2A6 | 0.023 |
| Achromatopsia (no color) | #A4A4A4 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAA0B4
#AAA0B4
oklch(72.1% 0.031 308)
- #9FA995
#9FA995
oklch(72.1% 0.03 128.9)
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 #AAA0B4, 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 0.034
- Cool Grey #95A3A6 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.046
- Cool Gray #8D99AE ΔE 0.048
- Light Mauve #C292A1 ΔE 0.049
- Pewter #96A8A1 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.050
Use #AAA0B4 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.