#ACAABB
Closest named color: Dark Gray (#A9A9A9). oklch(74.5% 0.024 291.2), rgb(172, 170, 187).
Aa
Black text reads best on this color (9.22:1).
About this color
#ACAABB is a medium-light close to neutral grey. In OKLCH its lightness is 75%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.026 away. Black text reads best on it, at 9.22:1.
| Hue family | Neutrals |
| Lightness | medium-light (75%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 9.22:1 |
| White text | 2.27:1 |
Values
| HEX | #ACAABB |
| RGB | rgb(172, 170, 187) |
| HSL | hsl(247, 11%, 70%) |
| OKLCH | oklch(74.5% 0.024 291.2) |
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 #ACAABB | 2.27:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #ACAABB | 9.22:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #ACAABB text on white | 2.27:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #ACAABB text on black | 9.22:1 | AAA | Lc -57.2 | 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
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#D9D8DE
oklch(88.5% 0.008 293.9)
-
Step 300
300
#C0BFCA
oklch(80.9% 0.015 290.2)
-
Step 400
400 (this color)
#ACAABB
oklch(74.5% 0.024 291.2)
-
Step 500
500
#89869B
oklch(63% 0.031 292)
-
Step 600
600
#737086
oklch(55.6% 0.034 291.5)
-
Step 700
700
#605E72
oklch(49.1% 0.032 289.8)
-
Step 800
800
#4F4D5C
oklch(42.8% 0.025 291.4)
-
Step 900
900
#41404C
oklch(37.7% 0.02 289.2)
-
Step 950
950
#26252C
oklch(26.8% 0.013 292.1)
#ACAABB 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) | #A7ACBC | 0.008 |
| Deuteranopia (no green cones) | #A7ABBA | 0.008 |
| Tritanopia (no blue cones) | #A9ACAF | 0.021 |
| Achromatopsia (no color) | #ACACAC | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAABB
#ACAABB
oklch(74.5% 0.024 291.2)
- #ADAE9D
#ADAE9D
oklch(74.5% 0.024 109.7)
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 #ACAABB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.026
- French Gray #ADB5BD ΔE 0.030
- Cool Steel #97A7B3 ΔE 0.033
- Cool Grey #95A3A6 ΔE 0.048
- Pinkish Grey #C8ACA9 ΔE 0.048
- Pewter #96A8A1 ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.059
Use #ACAABB 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.