Color

#393678

#393678
hex#393678
rgbrgb(57, 54, 120)
hslhsl(243, 38%, 34%)
oklchoklch(0.373 0.109 281.8)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0486

Colors that go with #393678

Steel Blue, Blue 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 →

#747836

#365378 · #5a3678

#783936 · #367839

Split-complementary

Open in tool →

#785a36 · #537836

#783653 · #747836 · #36785a

Contrast

#393678 as textRatioAAAA largeAAAFix
Aaon white
10.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #6f6bbd as the text (4.51:1)
  • AAA: use #9592ce as the text (7.28:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393678 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

#393678 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393678
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 #393678 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393678-a39cc4-dfa04e-261f2d-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