Color

#2d7580

#2d7580
hex#2d7580
rgbrgb(45, 117, 128)
hslhsl(188, 48%, 34%)
oklchoklch(0.522 0.072 209.1)
Closest name: Calypso (#3d7188)Relative luminance 0.1484

Colors that go with #2d7580

Charcoal, Rust and Amber 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 #2d7580

Tints & shades

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

Harmonies

Complementary

Open in tool →

#80382d

#2d8062 · #2d4c80

#802d75 · #75802d

Split-complementary

Open in tool →

#802d4c · #80622d

#622d80 · #80382d · #4c802d

Contrast

#2d7580 as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #25616a as the text (7.01:1)
Aaon black
3.97:1failpassfail
  • AA: use #31808c as the text (4.6:1)
  • AAA: use #3ea2b1 as the text (7.01:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d7580 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

#2d7580 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d7580
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 #2d7580 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d7580-a2b7be-df4e81-1f252d-e9f1ee?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