Color

#40798c

#40798c
hex#40798c
rgbrgb(64, 121, 140)
hslhsl(195, 37%, 40%)
oklchoklch(0.545 0.067 221.9)
Closest name: Harbour Blue (#417491)Relative luminance 0.1666

Colors that go with #40798c

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c5340

#408c79 · #40538c

#8c4079 · #798c40

Split-complementary

Open in tool →

#8c4053 · #8c7940

#79408c · #8c5340 · #538c40

Contrast

#40798c as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #325e6c as the text (7.11:1)
Aaon black
4.33:1failpassfail
  • AA: use #427c8f as the text (4.51:1)
  • AAA: use #5e9fb5 as the text (7.1:1)
  • AA: or shift the background to #f7f7f7 (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 #40798c 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

#40798c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40798c
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 #40798c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40798c-9cb5c4-df4e70-1f242d-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