Color

#2b4a50

#2b4a50
hex#2b4a50
rgbrgb(43, 74, 80)
hslhsl(190, 30%, 24%)
oklchoklch(0.388 0.038 211.2)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0599

Colors that go with #2b4a50

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#50312b

#2b5043 · #2b3750

#502b49 · #49502b

Split-complementary

Open in tool →

#502b37 · #50432b

#432b50 · #50312b · #37502b

Contrast

#2b4a50 as textRatioAAAA largeAAAFix
Aaon white
9.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #497d88 as the text (4.57:1)
  • AAA: use #639fab as the text (7.08:1)
  • AA: or shift the background to #b3b3b3 (4.56:1)
  • AAA: or shift the background to #dedede (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b4a50 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

#2b4a50 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b4a50
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 #2b4a50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b4a50-a2b6be-df4e7c-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