Color

#2951ae

#2951ae
hex#2951ae
rgbrgb(41, 81, 174)
hslhsl(222, 62%, 42%)
oklchoklch(0.462 0.156 263.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0941

Colors that go with #2951ae

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 →

#ae8629

#2993ae · #4329ae

#ae2951 · #51ae29

Split-complementary

Open in tool →

#ae4329 · #93ae29

#ae2993 · #ae8629 · #29ae43

Contrast

#2951ae as textRatioAAAA largeAAAFix
Aaon white
7.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #4570d3 as the text (4.51:1)
  • AAA: use #7796df as the text (7.21:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2951ae as the background.

Brands using this color

Fonts for this mood

#2951ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2951ae
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 #2951ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2951ae-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