#ACAABA
Closest named color: Dark Gray (#A9A9A9). oklch(74.5% 0.023 291.6), rgb(172, 170, 186).
Aa
Black text reads best on this color (9.21:1).
About this color
#ACAABA is a medium-light close to neutral grey. In OKLCH its lightness is 74%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.025 away. Black text reads best on it, at 9.21:1.
| Hue family | Neutrals |
| Lightness | medium-light (74%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 9.21:1 |
| White text | 2.27:1 |
Values
| HEX | #ACAABA |
| RGB | rgb(172, 170, 186) |
| HSL | hsl(248, 10%, 70%) |
| OKLCH | oklch(74.5% 0.023 291.6) |
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 #ACAABA | 2.27:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #ACAABA | 9.21:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #ACAABA text on white | 2.27:1 | Fails | Lc 45.0 | Non-text elements, placeholder text |
| #ACAABA text on black | 9.21:1 | AAA | Lc -57.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DE
oklch(88.5% 0.008 293.9)
-
Step 300
300
#C0BFC9
oklch(80.8% 0.014 290.7)
-
Step 400
400 (this color)
#ACAABA
oklch(74.5% 0.023 291.6)
-
Step 500
500
#89879A
oklch(63.2% 0.028 290.4)
-
Step 600
600
#737085
oklch(55.5% 0.032 291.9)
-
Step 700
700
#615E71
oklch(49.2% 0.03 292.5)
-
Step 800
800
#4F4D5C
oklch(42.8% 0.025 291.4)
-
Step 900
900
#41404B
oklch(37.7% 0.019 289.6)
-
Step 950
950
#26252C
oklch(26.8% 0.013 292.1)
#ACAABA 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) | #A7ACBB | 0.008 |
| Deuteranopia (no green cones) | #A7ABBA | 0.007 |
| Tritanopia (no blue cones) | #A9ACAF | 0.019 |
| Achromatopsia (no color) | #ACACAC | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAABA
#ACAABA
oklch(74.5% 0.023 291.6)
- #ACAE9E
#ACAE9E
oklch(74.5% 0.023 112.7)
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 #ACAABA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.025
- French Gray #ADB5BD ΔE 0.029
- Cool Steel #97A7B3 ΔE 0.033
- Cool Grey #95A3A6 ΔE 0.047
- Pinkish Grey #C8ACA9 ΔE 0.047
- Pewter #96A8A1 ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.052
- Cement #A5A391 ΔE 0.058
Use #ACAABA 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.