#ACABB9
Closest named color: Dark Gray (#A9A9A9). oklch(74.6% 0.02 289.2), rgb(172, 171, 185).
Aa
Black text reads best on this color (9.27:1).
About this color
#ACABB9 is a medium-light close to neutral grey. In OKLCH its lightness is 75%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.023 away. Black text reads best on it, at 9.27:1.
| Hue family | Neutrals |
| Lightness | medium-light (75%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 9.27:1 |
| White text | 2.26:1 |
Values
| HEX | #ACABB9 |
| RGB | rgb(172, 171, 185) |
| HSL | hsl(244, 9%, 70%) |
| OKLCH | oklch(74.6% 0.02 289.2) |
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 #ACABB9 | 2.26:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #ACABB9 | 9.27:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #ACABB9 text on white | 2.26:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #ACABB9 text on black | 9.27:1 | AAA | Lc -57.5 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DD
oklch(88.4% 0.007 295.4)
-
Step 300
300
#C0BFC8
oklch(80.8% 0.013 291.2)
-
Step 400
400 (this color)
#ACABB9
oklch(74.6% 0.02 289.2)
-
Step 500
500
#898798
oklch(63.1% 0.025 291.1)
-
Step 600
600
#727183
oklch(55.6% 0.028 288)
-
Step 700
700
#605F6F
oklch(49.2% 0.025 288.3)
-
Step 800
800
#4E4D5A
oklch(42.6% 0.021 289)
-
Step 900
900
#41404A
oklch(37.6% 0.017 290.1)
-
Step 950
950
#26262B
oklch(27.1% 0.009 285.8)
#ACABB9 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) | #A8ADBA | 0.007 |
| Deuteranopia (no green cones) | #A8ACB9 | 0.006 |
| Tritanopia (no blue cones) | #AAADAF | 0.018 |
| Achromatopsia (no color) | #ACACAC | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACABB9
#ACABB9
oklch(74.6% 0.02 289.2)
- #ADAEA0
#ADAEA0
oklch(74.6% 0.02 110.2)
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 #ACABB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.023
- French Gray #ADB5BD ΔE 0.026
- Cool Steel #97A7B3 ΔE 0.033
- Pinkish Grey #C8ACA9 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.047
- Pewter #96A8A1 ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.051
- Cement #A5A391 ΔE 0.057
Use #ACABB9 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.