Color

#2f5fb1

#2f5fb1
hex#2f5fb1
rgbrgb(47, 95, 177)
hslhsl(218, 58%, 44%)
oklchoklch(0.497 0.141 260.4)
Closest name: Denim (#1560bd)Relative luminance 0.1196

Colors that go with #2f5fb1

Charcoal, Sea Green 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 →

#b1822f

#2fa0b1 · #402fb1

#b12f5f · #5fb12f

Split-complementary

Open in tool →

#b1402f · #a0b12f

#b12fa0 · #b1822f · #2fb140

Contrast

#2f5fb1 as textRatioAAAA largeAAAFix
Aaon white
6.19:1passpassfail
  • AAA: use #2b56a1 as the text (7.12:1)
Aaon black
3.39:1failpassfail
  • AA: use #4275cd as the text (4.66:1)
  • AAA: use #7298da as the text (7.22:1)
  • AA: or shift the background to #dedede (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f5fb1 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

#2f5fb1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f5fb1
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 #2f5fb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f5fb1-9ca6c4-df644e-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