Paint · Benjamin Moore · Grays

Benjamin Moore Black Iron

2120-20 · #3B3D3F · LRV 4.6

Compare with other brands: Valspar Black Heron is a 98% match

Black Iron (2120-20) is a deep cool gray from Benjamin Moore with a subtle blue undertone. Its LRV is about 4.6 (very dark): it absorbs almost all light for a dramatic, enveloping look. plan for good artificial lighting. The closest match in another brand is Valspar Black Heron (98% match).

Compare Black Iron with other brands

Three catalogs stay in the list — tap another card to swap the last column. Matches are estimates from digital values, not official conversions. Always check a real sample.

LRV

4.6 · Very dark

Undertone

Blue · subtle

Temperature

Cool

Code

2120-20

HEX

#3B3D3F

RGB

59, 61, 63

HSL

210°, 3%, 24%

Family

Grays

Colors similar to Black Iron in Benjamin Moore

Neighboring tones from the same fan deck, if you want a shade lighter, darker, warmer, or cooler.

Black Iron FAQ

What undertone does Black Iron have?

Black Iron is a deep cool gray with a subtle blue undertone. Its color temperature is cool. This is estimated from the digital color values; north-facing light pulls undertones cooler and warm bulbs pull them warmer, so check a real sample on your wall.

What is the LRV of Black Iron?

Black Iron has an LRV (Light Reflectance Value) of about 4.6 on a 0–100 scale, which is very dark. It absorbs almost all light for a dramatic, enveloping look. Plan for good artificial lighting.

What is the closest match to Black Iron in other brands?

Valspar: Black Heron (V120-3), 98%; Dunn-Edwards: Dark Engine (DE6350), 98%; PPG: Starless Sky (PPG0995-7), 97%; Glidden: Starless Sky (PPG0995-7), 97%; Behr: Carbon (N520-7), 97%; Farrow & Ball: Pitch Black (No. 256), 96%; Sherwin-Williams: Greenblack (SW 6994), 96%; HGTV Home by Sherwin-Williams: Darkroom (HGSW7083), 92%. Matches are estimated from digital color values and are not official conversions; always compare a real sample of both.

What is the HEX code of Black Iron?

The HEX code of Black Iron (2120-20) is #3B3D3F, RGB 59, 61, 63. Use it for digital mockups; painted color will vary with light and sheen.