Color

#393fac

#393fac
hex#393fac
rgbrgb(57, 63, 172)
hslhsl(237, 50%, 45%)
oklchoklch(0.433 0.171 274.3)
Closest name: Denim (#2243b6)Relative luminance 0.074

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aca639

#3978ac · #6d39ac

#ac393f · #3fac39

Split-complementary

Open in tool →

#ac6d39 · #78ac39

#ac3978 · #aca639 · #39ac6d

Contrast

#393fac as textRatioAAAA largeAAAFix
Aaon white
8.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #666bcc as the text (4.54:1)
  • AAA: use #8c90d9 as the text (7.11:1)
  • AA: or shift the background to #bdbdbd (4.51:1)
  • AAA: or shift the background to #ebebeb (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 #393fac 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

#393fac reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393fac
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 #393fac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393fac-9f9cc4-df924e-251f2d-e9edf1?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