Color

#45717d

#45717d
hex#45717d
rgbrgb(69, 113, 125)
hslhsl(193, 29%, 38%)
oklchoklch(0.521 0.052 217)
Closest name: Calypso (#3d7188)Relative luminance 0.1456

Colors that go with #45717d

Charcoal, Sienna 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.

Real palettes that use #45717d

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7d5145

#457d6d · #45557d

#7d4571 · #717d45

Split-complementary

Open in tool →

#7d4555 · #7d6d45

#6d457d · #7d5145 · #557d45

Contrast

#45717d as textRatioAAAA largeAAAFix
Aaon white
5.37:1passpassfail
  • AAA: use #385c66 as the text (7.26:1)
Aaon black
3.91:1failpassfail
  • AA: use #4c7d8a as the text (4.61:1)
  • AAA: use #689dac as the text (7.01:1)
  • AA: or shift the background to #ebebeb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45717d 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 #45717d
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 #45717d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45717d-a2b5be-df4e75-1f242d-e9f1ef?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