#A4ACA3
Closest named color: Dark Gray (#A9A9A9). oklch(73.5% 0.016 142.2), rgb(164, 172, 163).
Aa
Black text reads best on this color (9.00:1).
About this color
#A4ACA3 is a medium-light close to neutral grey. In OKLCH its lightness is 74%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.016 away. Black text reads best on it, at 9.00:1.
| Hue family | Neutrals |
| Lightness | medium-light (74%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 9.00:1 |
| White text | 2.33:1 |
Values
| HEX | #A4ACA3 |
| RGB | rgb(164, 172, 163) |
| HSL | hsl(113, 5%, 66%) |
| OKLCH | oklch(73.5% 0.016 142.2) |
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 #A4ACA3 | 2.33:1 | Fails | Lc -50.9 | Large or bold text, headings |
| Black text on #A4ACA3 | 9.00:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #A4ACA3 text on white | 2.33:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #A4ACA3 text on black | 9.00:1 | AAA | Lc -56.1 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D7DAD7
oklch(88.5% 0.005 145.5)
-
Step 300
300
#BDC2BC
oklch(80.8% 0.01 140.5)
-
Step 400
400 (this color)
#A4ACA3
oklch(73.5% 0.016 142.2)
-
Step 500
500
#838D82
oklch(63.2% 0.02 142.8)
-
Step 600
600
#6C776B
oklch(55.6% 0.022 142.9)
-
Step 700
700
#5A6459
oklch(49.1% 0.021 142.7)
-
Step 800
800
#4A5149
oklch(42.6% 0.016 141.7)
-
Step 900
900
#3E433D
oklch(37.6% 0.012 140.5)
-
Step 950
950
#242724
oklch(26.9% 0.007 145.4)
#A4ACA3 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) | #ADAAA3 | 0.013 |
| Deuteranopia (no green cones) | #ABA9A3 | 0.012 |
| Tritanopia (no blue cones) | #A4ABA9 | 0.010 |
| Achromatopsia (no color) | #AAAAAA | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4ACA3
#A4ACA3
oklch(73.5% 0.016 142.2)
- #AEA6AF
#AEA6AF
oklch(73.5% 0.016 322.4)
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 #A4ACA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.016
- Pewter #96A8A1 ΔE 0.023
- Cement #A5A391 ΔE 0.029
- Bland #AFA88B ΔE 0.033
- Cool Steel #97A7B3 ΔE 0.035
- Cool Grey #95A3A6 ΔE 0.035
- Stone #ADA587 ΔE 0.037
- French Gray #ADB5BD ΔE 0.042
Use #A4ACA3 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.