Color

#2d535c

#2d535c
hex#2d535c
rgbrgb(45, 83, 92)
hslhsl(191, 34%, 27%)
oklchoklch(0.418 0.046 214.7)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0752

Colors that go with #2d535c

Steel Blue, Teal and Sienna 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.

Real palettes that use #2d535c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c362d

#2d5c4d · #2d3c5c

#5c2d54 · #545c2d

Split-complementary

Open in tool →

#5c2d3c · #5c4d2d

#4d2d5c · #5c362d · #3c5c2d

Contrast

#2d535c as textRatioAAAA largeAAAFix
Aaon white
8.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #457f8c as the text (4.67:1)
  • AAA: use #5b9fae as the text (7.02:1)
  • AA: or shift the background to #bfbfbf (4.56:1)
  • AAA: or shift the background to #ebebeb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d535c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2d535c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d535c
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 #2d535c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d535c-a2b6be-df4e7a-1f252d-e9f1ef?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