Color

#2f5bc1

#2f5bc1
hex#2f5bc1
rgbrgb(47, 91, 193)
hslhsl(222, 61%, 47%)
oklchoklch(0.5 0.168 263.8)
Closest name: Denim (#1560bd)Relative luminance 0.1194

Colors that go with #2f5bc1

Charcoal, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c1952f

#2fa4c1 · #4c2fc1

#c12f5b · #5bc12f

Split-complementary

Open in tool →

#c14c2f · #a4c12f

#c12fa4 · #c1952f · #2fc14c

Contrast

#2f5bc1 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #2b53b1 as the text (7.06:1)
Aaon black
3.39:1failpassfail
  • AA: use #4670d2 as the text (4.51:1)
  • AAA: use #7896de as the text (7.22:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f5bc1 as the background.

Brands using this color

Fonts for this mood

#2f5bc1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f5bc1
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 #2f5bc1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f5bc1-9ca3c4-df6e4e-211f2d-e9eff1?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