Color

#2d579a

#2d579a
hex#2d579a
rgbrgb(45, 87, 154)
hslhsl(217, 55%, 39%)
oklchoklch(0.462 0.119 259.4)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0971

Colors that go with #2d579a

Charcoal, Sea Green and Steel Blue 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 →

#9a702d

#2d8d9a · #3a2d9a

#9a2d57 · #579a2d

Split-complementary

Open in tool →

#9a3a2d · #8d9a2d

#9a2d8d · #9a702d · #2d9a3a

Contrast

#2d579a as textRatioAAAA largeAAAFix
Aaon white
7.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #4175c8 as the text (4.6:1)
  • AAA: use #7197d6 as the text (7.1:1)
  • AA: or shift the background to #cfcfcf (4.58:1)
  • AAA: or shift the background to #ffffff (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d579a 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

#2d579a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d579a
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 #2d579a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d579a-9ca7c4-df624e-201f2d-e9f0f1?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