Color

#383a80

#383a80
hex#383a80
rgbrgb(56, 58, 128)
hslhsl(238, 39%, 36%)
oklchoklch(0.387 0.116 278.3)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0543

Colors that go with #383a80

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 →

#807d38

#385e80 · #593880

#80383a · #3a8038

Split-complementary

Open in tool →

#805938 · #5e8038

#80385e · #807d38 · #388059

Contrast

#383a80 as textRatioAAAA largeAAAFix
Aaon white
10.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #6a6dbe as the text (4.54:1)
  • AAA: use #8e90cd as the text (7.02:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383a80 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

#383a80 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383a80
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 #383a80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383a80-9f9cc4-df944e-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