Color

#2f50a2

#2f50a2
hex#2f50a2
rgbrgb(47, 80, 162)
hslhsl(223, 55%, 41%)
oklchoklch(0.453 0.138 264.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0895

Colors that go with #2f50a2

Charcoal, Sea Green and Steel Blue 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 →

#a2812f

#2f89a2 · #482fa2

#a22f50 · #50a22f

Split-complementary

Open in tool →

#a2482f · #89a22f

#a22f89 · #a2812f · #2fa248

Contrast

#2f50a2 as textRatioAAAA largeAAAFix
Aaon white
7.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #4d71cb as the text (4.54:1)
  • AAA: use #7994d8 as the text (7.04:1)
  • AA: or shift the background to #c9c9c9 (4.55:1)
  • AAA: or shift the background to #f7f7f7 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f50a2 as the background.

Brands using this color

Fonts for this mood

#2f50a2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f50a2
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 #2f50a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f50a2-9ca3c4-df704e-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