Color

#2957ae

#2957ae
hex#2957ae
rgbrgb(41, 87, 174)
hslhsl(219, 62%, 42%)
oklchoklch(0.475 0.148 261.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1034

Colors that go with #2957ae

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 →

#ae7f29

#299aae · #3d29ae

#ae2957 · #57ae29

Split-complementary

Open in tool →

#ae3d29 · #9aae29

#ae299a · #ae7f29 · #29ae3d

Contrast

#2957ae as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #2855a9 as the text (7.09:1)
Aaon black
3.07:1failpassfail
  • AA: use #4174d2 as the text (4.65:1)
  • AAA: use #6e95dd as the text (7.01:1)
  • AA: or shift the background to #d4d4d4 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2957ae as the background.

Brands using this color

Fonts for this mood

#2957ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2957ae
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 #2957ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2957ae-9ca5c4-df664e-211f2d-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