#ACACBB
Closest named color: French Gray (#ADB5BD). oklch(74.9% 0.021 285.9), rgb(172, 172, 187).
Aa
Black text reads best on this color (9.37:1).
About this color
#ACACBB is a medium-light close to neutral grey. In OKLCH its lightness is 75%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.024 away. Black text reads best on it, at 9.37:1.
| Hue family | Neutrals |
| Lightness | medium-light (75%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.37:1 |
| White text | 2.24:1 |
Values
| HEX | #ACACBB |
| RGB | rgb(172, 172, 187) |
| HSL | hsl(240, 10%, 70%) |
| OKLCH | oklch(74.9% 0.021 285.9) |
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 #ACACBB | 2.24:1 | Fails | Lc -49.0 | Large or bold text, headings |
| Black text on #ACACBB | 9.37:1 | AAA | Lc 59.8 | Large or bold text, headings |
| #ACACBB text on white | 2.24:1 | Fails | Lc 44.2 | Non-text elements, placeholder text |
| #ACACBB text on black | 9.37:1 | AAA | Lc -58.0 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EC
oklch(93.5% 0.004 286.3)
-
Step 200
200
#D8D8DE
oklch(88.4% 0.008 286.2)
-
Step 300
300
#BFBFC9
oklch(80.8% 0.014 286.1)
-
Step 400
400 (this color)
#ACACBB
oklch(74.9% 0.021 285.9)
-
Step 500
500
#88879A
oklch(63.1% 0.028 288)
-
Step 600
600
#717184
oklch(55.5% 0.029 285.4)
-
Step 700
700
#5F5F70
oklch(49.2% 0.027 285.4)
-
Step 800
800
#4E4D5B
oklch(42.6% 0.023 288.7)
-
Step 900
900
#40404B
oklch(37.6% 0.019 285.5)
-
Step 950
950
#26262C
oklch(27.1% 0.011 285.6)
#ACACBB 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) | #A9AEBC | 0.006 |
| Deuteranopia (no green cones) | #A8ADBB | 0.006 |
| Tritanopia (no blue cones) | #A9AEB1 | 0.018 |
| Achromatopsia (no color) | #ADADAD | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACACBB
#ACACBB
oklch(74.9% 0.021 285.9)
- #AFAFA0
#AFAFA0
oklch(75% 0.021 106.9)
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 #ACACBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.024
- Dark Gray #A9A9A9 ΔE 0.026
- Cool Steel #97A7B3 ΔE 0.035
- Pinkish Grey #C8ACA9 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.048
- Cool Grey #95A3A6 ΔE 0.050
- Pewter #96A8A1 ΔE 0.050
- Cement #A5A391 ΔE 0.060
Use #ACACBB 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.