Color

#2d373e

#2d373e
hex#2d373e
rgbrgb(45, 55, 62)
hslhsl(205, 16%, 21%)
oklchoklch(0.33 0.018 238.7)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0364

Colors that go with #2d373e

Amber, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3e342d

#2d3e3d · #2d2e3e

#3e2d37 · #373e2d

Split-complementary

Open in tool →

#3e2d2e · #3e3d2d

#3d2d3e · #3e342d · #2e3e2d

Contrast

#2d373e as textRatioAAAA largeAAAFix
Aaon white
12.16:1passpasspassPasses AAA — no fix needed.
Aaon black
1.73:1failfailfail
  • AA: use #637888 as the text (4.57:1)
  • AAA: use #8699a7 as the text (7.13:1)
  • AA: or shift the background to #9e9e9e (4.54:1)
  • AAA: or shift the background to #c7c7c7 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d373e as the background.

Brands using this color

Fonts for this mood

#2d373e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d373e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2d373e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d373e-9cafc4-df4e58-1f212d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md