Color

#291daf

#291daf
hex#291daf
rgbrgb(41, 29, 175)
hslhsl(245, 72%, 40%)
oklchoklch(0.377 0.213 272.9)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0445

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a3af1d

#1d5aaf · #721daf

#af291d · #1daf29

Split-complementary

Open in tool →

#af721d · #5aaf1d

#af1d5a · #a3af1d · #1daf72

Contrast

#291daf as textRatioAAAA largeAAAFix
Aaon white
11.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #7065e6 as the text (4.69:1)
  • AAA: use #958dec as the text (7.3:1)
  • AA: or shift the background to #a6a6a6 (4.57:1)
  • AAA: or shift the background to #cfcfcf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #291daf 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

#291daf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291daf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #291daf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291daf-a49cc4-dfa54e-261f2d-e9ecf1?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