Color

#45387a

#45387a
hex#45387a
rgbrgb(69, 56, 122)
hslhsl(252, 37%, 35%)
oklchoklch(0.39 0.108 289.5)
Closest name: Galactic Compass (#48357b)Relative luminance 0.055

Colors that go with #45387a

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 →

#6d7a38

#384c7a · #66387a

#7a4538 · #387a45

Split-complementary

Open in tool →

#7a6638 · #4c7a38

#7a384c · #6d7a38 · #387a66

Contrast

#45387a as textRatioAAAA largeAAAFix
Aaon white
10:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #7969ba as the text (4.54:1)
  • AAA: use #9b8fcc as the text (7.19:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45387a 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

#45387a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45387a
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 #45387a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45387a-a99cc4-dfb64e-281f2d-e9ecf1?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