Color

#387cdc

#387cdc
hex#387cdc
rgbrgb(56, 124, 220)
hslhsl(215, 70%, 54%)
oklchoklch(0.592 0.162 257.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2042

Colors that go with #387cdc

Charcoal, Copper 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 →

#dc9738

#38cedc · #4538dc

#dc387c · #7cdc38

Split-complementary

Open in tool →

#dc4538 · #cedc38

#dc38ce · #dc9738 · #38dc45

Contrast

#387cdc as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #2b73da as the text (4.6:1)
  • AAA: use #1d56a5 as the text (7.18:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.08:1passpassfail
  • AAA: use #6398e3 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #387cdc 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

#387cdc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #387cdc
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 #387cdc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/387cdc-9ca8c4-df5d4e-201f2d-e9f0f1?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