Color

#2d508f

#2d508f
hex#2d508f
rgbrgb(45, 80, 143)
hslhsl(219, 52%, 37%)
oklchoklch(0.439 0.112 261.2)
Closest name: Assassin (#2d4f83)Relative luminance 0.0828

Colors that go with #2d508f

Midnight Blue, Taupe 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 #2d508f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f6d2d

#2d818f · #3c2d8f

#8f2d50 · #508f2d

Split-complementary

Open in tool →

#8f3c2d · #818f2d

#8f2d81 · #8f6d2d · #2d8f3c

Contrast

#2d508f as textRatioAAAA largeAAAFix
Aaon white
7.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #4974c5 as the text (4.59:1)
  • AAA: use #7798d4 as the text (7.23:1)
  • AA: or shift the background to #c4c4c4 (4.53:1)
  • AAA: or shift the background to #f2f2f2 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d508f 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

#2d508f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d508f
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 #2d508f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d508f-9ca5c4-df664e-211f2d-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