Color

#383f85

#383f85
hex#383f85
rgbrgb(56, 63, 133)
hslhsl(235, 41%, 37%)
oklchoklch(0.401 0.116 275.6)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0609

Colors that go with #383f85

Steel Blue, Blue and Cornflower 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 →

#857f38

#386585 · #583885

#85383e · #3e8538

Split-complementary

Open in tool →

#855838 · #658538

#853865 · #857f38 · #388558

Contrast

#383f85 as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #686fc0 as the text (4.62:1)
  • AAA: use #8c92cf as the text (7.13:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383f85 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

#383f85 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383f85
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 #383f85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383f85-9e9cc4-df8d4e-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