Color

#393e8e

#393e8e
hex#393e8e
rgbrgb(57, 62, 142)
hslhsl(236, 43%, 39%)
oklchoklch(0.406 0.13 276.2)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0627

Colors that go with #393e8e

Charcoal, Sea Green and Steel 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 →

#8e8939

#39698e · #5e398e

#8e393e · #3e8e39

Split-complementary

Open in tool →

#8e5e39 · #698e39

#8e3969 · #8e8939 · #398e5e

Contrast

#393e8e as textRatioAAAA largeAAAFix
Aaon white
9.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #696fc3 as the text (4.66:1)
  • AAA: use #8e92d2 as the text (7.19:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #393e8e 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

#393e8e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #393e8e
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 #393e8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/393e8e-9e9cc4-df8f4e-241f2d-e9eef1?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