Color

#2f29b3

#2f29b3
hex#2f29b3
rgbrgb(47, 41, 179)
hslhsl(243, 63%, 43%)
oklchoklch(0.399 0.206 273.7)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0544

Colors that go with #2f29b3

Charcoal, Steel Blue and 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 →

#acb329

#2967b3 · #7529b3

#b32f29 · #29b32f

Split-complementary

Open in tool →

#b37529 · #67b329

#b32967 · #acb329 · #29b375

Contrast

#2f29b3 as textRatioAAAA largeAAAFix
Aaon white
10.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #6b65dc as the text (4.52:1)
  • AAA: use #938fe6 as the text (7.31:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f29b3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2f29b3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f29b3
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 #2f29b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f29b3-a39cc4-dfa04e-261f2d-e9edf1?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