Color

#4f259d

#4f259d
hex#4f259d
rgbrgb(79, 37, 157)
hslhsl(261, 62%, 38%)
oklchoklch(0.399 0.179 292.2)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0542

Colors that go with #4f259d

Royal Blue, Midnight Blue and Olive Green 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 →

#739d25

#25379d · #8b259d

#9d4f25 · #259d4f

Split-complementary

Open in tool →

#9d8b25 · #379d25

#9d2537 · #739d25 · #259d8b

Contrast

#4f259d as textRatioAAAA largeAAAFix
Aaon white
10.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #895ed9 as the text (4.67:1)
  • AAA: use #a787e3 as the text (7.22:1)
  • AA: or shift the background to #b0b0b0 (4.65:1)
  • AAA: or shift the background to #d9d9d9 (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 #4f259d 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

#4f259d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f259d
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 #4f259d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f259d-af9cc4-dfcb4e-2a1f2d-e9eaf1?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