Color

#491fb2

#491fb2
hex#491fb2
rgbrgb(73, 31, 178)
hslhsl(257, 70%, 41%)
oklchoklch(0.408 0.208 285.5)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0561

Tints & shades

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

Harmonies

Complementary

Open in tool →

#88b21f

#1f3fb2 · #921fb2

#b2491f · #1fb249

Split-complementary

Open in tool →

#b2921f · #3fb21f

#b21f3f · #88b21f · #1fb292

Contrast

#491fb2 as textRatioAAAA largeAAAFix
Aaon white
9.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #845fe3 as the text (4.73:1)
  • AAA: use #a286ea as the text (7.13:1)
  • AA: or shift the background to #b0b0b0 (4.56:1)
  • AAA: or shift the background to #d9d9d9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #491fb2 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

#491fb2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #491fb2
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 #491fb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/491fb2-ac9cc4-dfc24e-291f2d-e9ebf1?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