Color

#383bf5

#383bf5
hex#383bf5
rgbrgb(56, 59, 245)
hslhsl(239, 90%, 59%)
oklchoklch(0.498 0.264 270.9)
Closest name: C64 Blue (#003aff)Relative luminance 0.1056

Colors that go with #383bf5

Charcoal, Sea Green and Amber 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 →

#f5f138

#389af5 · #9338f5

#f5383b · #3bf538

Split-complementary

Open in tool →

#f59338 · #9af538

#f5389a · #f5f138 · #38f593

Contrast

#383bf5 as textRatioAAAA largeAAAFix
Aaon white
6.75:1passpassfail
Aaon black
3.11:1failpassfail
  • AA: use #5f62f7 as the text (4.58:1)
  • AAA: use #8b8df9 as the text (7.28:1)
  • AA: or shift the background to #d4d4d4 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383bf5 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

#383bf5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383bf5
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 #383bf5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383bf5-a09cc4-df964e-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