Color

#2f63a7

#2f63a7
hex#2f63a7
rgbrgb(47, 99, 167)
hslhsl(214, 56%, 42%)
oklchoklch(0.499 0.122 256.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1232

Colors that go with #2f63a7

Charcoal, Firebrick and Sea Green 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 →

#a7732f

#2f9fa7 · #372fa7

#a72f63 · #63a72f

Split-complementary

Open in tool →

#a7372f · #9fa72f

#a72f9f · #a7732f · #2fa737

Contrast

#2f63a7 as textRatioAAAA largeAAAFix
Aaon white
6.06:1passpassfail
  • AAA: use #2a5793 as the text (7.28:1)
Aaon black
3.46:1failpassfail
  • AA: use #3876c7 as the text (4.58:1)
  • AAA: use #6c9ad5 as the text (7.22:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f63a7 as the background.

Brands using this color

Fonts for this mood

#2f63a7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f63a7
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 #2f63a7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f63a7-9ca9c4-df5a4e-1f1f2d-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