Color

#70399d

#70399d
hex#70399d
rgbrgb(112, 57, 157)
hslhsl(273, 47%, 42%)
oklchoklch(0.463 0.159 306.5)
Closest name: rebeccapurple (#663399)Relative luminance 0.0881

Colors that go with #70399d

Crimson, Denim and Dark 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 →

#669d39

#3e399d · #9d3998

#9d7039 · #399d70

Split-complementary

Open in tool →

#989d39 · #399d3e

#9d3e39 · #669d39 · #39989d

Contrast

#70399d as textRatioAAAA largeAAAFix
Aaon white
7.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #945ac4 as the text (4.52:1)
  • AAA: use #b187d4 as the text (7.29:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (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 #70399d as the background.

Brands using this color

Fonts for this mood

#70399d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #70399d
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 #70399d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/70399d-b79cc4-c4cb62-2d1f2d-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