#B0A3AA
Closest named color: Dark Gray (#A9A9A9). oklch(72.9% 0.018 343.8), rgb(176, 163, 170).
Aa
Black text reads best on this color (8.66:1).
About this color
#B0A3AA is a medium-light close to neutral grey. In OKLCH its lightness is 73%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.019 away. Black text reads best on it, at 8.66:1.
| Hue family | Neutrals |
| Lightness | medium-light (73%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 8.66:1 |
| White text | 2.42:1 |
Values
| HEX | #B0A3AA |
| RGB | rgb(176, 163, 170) |
| HSL | hsl(328, 8%, 66%) |
| OKLCH | oklch(72.9% 0.018 343.8) |
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 #B0A3AA | 2.42:1 | Fails | Lc -52.7 | Large or bold text, headings |
| Black text on #B0A3AA | 8.66:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #B0A3AA text on white | 2.42:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #B0A3AA text on black | 8.66:1 | AAA | Lc -54.3 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EA
oklch(93.6% 0.003 345.2)
-
Step 200
200
#DCD7DA
oklch(88.4% 0.007 340.4)
-
Step 300
300
#C6BEC2
oklch(80.9% 0.01 345.5)
-
Step 400
400 (this color)
#B0A3AA
oklch(72.9% 0.018 343.8)
-
Step 500
500
#94848D
oklch(63.1% 0.023 342.9)
-
Step 600
600
#7E6E77
oklch(55.6% 0.024 343)
-
Step 700
700
#6B5C64
oklch(49.2% 0.023 344.6)
-
Step 800
800
#574B52
oklch(42.7% 0.019 342)
-
Step 900
900
#483F44
oklch(37.9% 0.015 343.3)
-
Step 950
950
#2A2528
oklch(27.1% 0.009 341)
#B0A3AA 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) | #A4A5AA | 0.018 |
| Deuteranopia (no green cones) | #A6A7AA | 0.017 |
| Tritanopia (no blue cones) | #B2A3A5 | 0.008 |
| Achromatopsia (no color) | #A6A6A6 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0A3AA
#B0A3AA
oklch(72.9% 0.018 343.8)
- #9EABA4
#9EABA4
oklch(72.9% 0.018 162.6)
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 #B0A3AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.019
- Cool Steel #97A7B3 ΔE 0.035
- Cool Grey #95A3A6 ΔE 0.039
- Cement #A5A391 ΔE 0.041
- Pewter #96A8A1 ΔE 0.043
- Pinkish Grey #C8ACA9 ΔE 0.045
- Mushroom #BA9E88 ΔE 0.046
- French Gray #ADB5BD ΔE 0.047
Use #B0A3AA 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.