Color

#41718b

#41718b
hex#41718b
rgbrgb(65, 113, 139)
hslhsl(201, 36%, 40%)
oklchoklch(0.525 0.066 233.7)
Closest name: Calypso (#3d7188)Relative luminance 0.148

Colors that go with #41718b

Charcoal, Royal Blue 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 →

#8b5b41

#418b80 · #414c8b

#8b4171 · #718b41

Split-complementary

Open in tool →

#8b414c · #8b8041

#80418b · #8b5b41 · #4c8b41

Contrast

#41718b as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #365d72 as the text (7.08:1)
Aaon black
3.96:1failpassfail
  • AA: use #487c99 as the text (4.62:1)
  • AAA: use #6a9db9 as the text (7.14:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #41718b 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

#41718b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #41718b
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 #41718b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/41718b-9cb1c4-df4e62-1f222d-e9f1f0?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