Color

#290fbd

#290fbd
hex#290fbd
rgbrgb(41, 15, 189)
hslhsl(249, 85%, 40%)
oklchoklch(0.383 0.236 272.3)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0449

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a3bd0f

#0f4cbd · #800fbd

#bd290f · #0fbd29

Split-complementary

Open in tool →

#bd800f · #4cbd0f

#bd0f4c · #a3bd0f · #0fbd80

Contrast

#290fbd as textRatioAAAA largeAAAFix
Aaon white
11.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #755ff2 as the text (4.68:1)
  • AAA: use #9989f5 as the text (7.25:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (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 #290fbd 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

#290fbd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #290fbd
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 #290fbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/290fbd-a79cc4-dfae4e-271f2d-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