Color

#5c307e

#5c307e
hex#5c307e
rgbrgb(92, 48, 126)
hslhsl(274, 45%, 34%)
oklchoklch(0.404 0.13 307.6)
Closest name: Galactic Grapevine (#6b327b)Relative luminance 0.059

Colors that go with #5c307e

Charcoal, Crimson and Midnight Blue 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 →

#517e30

#35307e · #7e3079

#7e5c30 · #307e5c

Split-complementary

Open in tool →

#797e30 · #307e35

#7e3530 · #517e30 · #30797e

Contrast

#5c307e as textRatioAAAA largeAAAFix
Aaon white
9.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #965cc1 as the text (4.6:1)
  • AAA: use #b085d1 as the text (7.12:1)
  • AA: or shift the background to #b3b3b3 (4.6:1)
  • AAA: or shift the background to #dedede (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5c307e 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

#5c307e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5c307e
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 #5c307e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5c307e-b79cc4-c2cb62-2d1f2d-eae9f1?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