Color

#45376c

#45376c
hex#45376c
rgbrgb(69, 55, 108)
hslhsl(256, 33%, 32%)
oklchoklch(0.378 0.089 293.9)
Closest name: Her Highness (#432e6f)Relative luminance 0.0508

Colors that go with #45376c

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 →

#5e6d37

#37436d · #60376d

#6d4537 · #376d45

Split-complementary

Open in tool →

#6d6037 · #436d37

#6d3743 · #5e6d37 · #376d60

Contrast

#45376c as textRatioAAAA largeAAAFix
Aaon white
10.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.02:1failfailfail
  • AA: use #7e6ab4 as the text (4.61:1)
  • AAA: use #9e8fc7 as the text (7.21:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45376c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #45376c
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 #45376c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45376c-ab9cc4-dfbf4e-291f2d-e9ebf1?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