Color

#383fc7

#383fc7
hex#383fc7
rgbrgb(56, 63, 199)
hslhsl(237, 56%, 50%)
oklchoklch(0.457 0.206 272.6)
Closest name: Blurple (#5539cc)Relative luminance 0.0852

Colors that go with #383fc7

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 →

#c7c038

#3887c7 · #7838c7

#c7383f · #3fc738

Split-complementary

Open in tool →

#c77838 · #87c738

#c73887 · #c7c038 · #38c778

Contrast

#383fc7 as textRatioAAAA largeAAAFix
Aaon white
7.77:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #6469d3 as the text (4.5:1)
  • AAA: use #8c90de as the text (7.16:1)
  • AA: or shift the background to #c7c7c7 (4.59:1)
  • AAA: or shift the background to #f5f5f5 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383fc7 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

#383fc7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383fc7
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 #383fc7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383fc7-9f9cc4-df924e-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