#ACA0B1
Closest named color: Dark Gray (#A9A9A9). oklch(72.1% 0.028 316.1), rgb(172, 160, 177).
Aa
Black text reads best on this color (8.41:1).
About this color
#ACA0B1 is a medium-light close to neutral grey. In OKLCH its lightness is 72%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.031 away. Black text reads best on it, at 8.41:1.
| Hue family | Neutrals |
| Lightness | medium-light (72%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #ACA0B1 |
| RGB | rgb(172, 160, 177) |
| HSL | hsl(282, 10%, 66%) |
| OKLCH | oklch(72.1% 0.028 316.1) |
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 #ACA0B1 | 2.49:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #ACA0B1 | 8.41:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #ACA0B1 text on white | 2.49:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #ACA0B1 text on black | 8.41:1 | AAA | Lc -53.0 | 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
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DCD7DD
oklch(88.5% 0.01 320.5)
-
Step 300
300
#C5BDC8
oklch(80.8% 0.018 316.9)
-
Step 400
400 (this color)
#ACA0B1
oklch(72.1% 0.028 316.1)
-
Step 500
500
#928398
oklch(63% 0.036 316.4)
-
Step 600
600
#7C6D83
oklch(55.6% 0.038 315.1)
-
Step 700
700
#695B6F
oklch(49.2% 0.036 315.8)
-
Step 800
800
#554A5A
oklch(42.6% 0.03 315.3)
-
Step 900
900
#463E4A
oklch(37.7% 0.023 314.5)
-
Step 950
950
#29242B
oklch(26.9% 0.015 316.4)
#ACA0B1 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) | #9EA3B2 | 0.020 |
| Deuteranopia (no green cones) | #A0A4B0 | 0.020 |
| Tritanopia (no blue cones) | #ACA2A5 | 0.020 |
| Achromatopsia (no color) | #A4A4A4 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA0B1
#ACA0B1
oklch(72.1% 0.028 316.1)
- #9DA998
#9DA998
oklch(72% 0.028 136.4)
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 #ACA0B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.031
- Cool Steel #97A7B3 ΔE 0.033
- Cool Grey #95A3A6 ΔE 0.039
- Light Mauve #C292A1 ΔE 0.046
- Pewter #96A8A1 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.050
- Cement #A5A391 ΔE 0.052
Use #ACA0B1 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.