Color

#43158a

#43158a
hex#43158a
rgbrgb(67, 21, 138)
hslhsl(264, 74%, 31%)
oklchoklch(0.351 0.173 292.7)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0356

Colors that go with #43158a

Royal Blue, Charcoal and Crimson 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 →

#5b8a15

#15208a · #7e158a

#8a4315 · #158a43

Split-complementary

Open in tool →

#8a7e15 · #208a15

#8a1520 · #5b8a15 · #158a7e

Contrast

#43158a as textRatioAAAA largeAAAFix
Aaon white
12.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #9056e6 as the text (4.66:1)
  • AAA: use #ad83ec as the text (7.23:1)
  • AA: or shift the background to #9e9e9e (4.58:1)
  • AAA: or shift the background to #c4c4c4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #43158a 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

#43158a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43158a
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 #43158a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43158a-b19cc4-dfd34e-2b1f2d-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