Color

#45658c

#45658c
hex#45658c
rgbrgb(69, 101, 140)
hslhsl(213, 34%, 41%)
oklchoklch(0.499 0.073 254)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1247

Colors that go with #45658c

Charcoal, Sea Green and Sienna 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 →

#8c6c45

#45898c · #49458c

#8c4565 · #658c45

Split-complementary

Open in tool →

#8c4945 · #898c45

#8c4589 · #8c6c45 · #458c49

Contrast

#45658c as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #3d597b as the text (7.21:1)
Aaon black
3.49:1failpassfail
  • AA: use #5279a7 as the text (4.65:1)
  • AAA: use #7a98bd as the text (7.05:1)
  • AA: or shift the background to #e0e0e0 (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 #45658c as the background.

Brands using this color

mcpConnect your agent — build around #45658c
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 #45658c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45658c-9ca9c4-df584e-1f202d-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