Color

#39158e

#39158e
hex#39158e
rgbrgb(57, 21, 142)
hslhsl(258, 74%, 32%)
oklchoklch(0.344 0.178 285.9)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0336

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a8e15

#152d8e · #76158e

#8e3915 · #158e39

Split-complementary

Open in tool →

#8e7615 · #2d8e15

#8e152d · #6a8e15 · #158e76

Contrast

#39158e as textRatioAAAA largeAAAFix
Aaon white
12.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #855be6 as the text (4.64:1)
  • AAA: use #a687ed as the text (7.31:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39158e 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

#39158e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39158e
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 #39158e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39158e-ad9cc4-dfc44e-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