Color

#2f63ac

#2f63ac
hex#2f63ac
rgbrgb(47, 99, 172)
hslhsl(215, 57%, 43%)
oklchoklch(0.502 0.129 257.4)
Closest name: Denim (#1560bd)Relative luminance 0.1251

Colors that go with #2f63ac

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 →

#ac782f

#2fa2ac · #3a2fac

#ac2f63 · #63ac2f

Split-complementary

Open in tool →

#ac3a2f · #a2ac2f

#ac2fa2 · #ac782f · #2fac3a

Contrast

#2f63ac as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #2a5898 as the text (7.12:1)
Aaon black
3.5:1failpassfail
  • AA: use #3b76c9 as the text (4.62:1)
  • AAA: use #6b98d6 as the text (7.09:1)
  • AA: or shift the background to #e0e0e0 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f63ac as the background.

Brands using this color

Fonts for this mood

#2f63ac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f63ac
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 #2f63ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f63ac-9ca8c4-df5d4e-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