Color

#407e91

#407e91
hex#407e91
rgbrgb(64, 126, 145)
hslhsl(194, 39%, 41%)
oklchoklch(0.559 0.07 220.3)
Closest name: Cry Me a River (#427898)Relative luminance 0.1806

Tints & shades

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

Harmonies

Complementary

Open in tool →

#915340

#40917c · #405691

#91407e · #7e9140

Split-complementary

Open in tool →

#914056 · #917c40

#7c4091 · #915340 · #569140

Contrast

#407e91 as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #305f6e as the text (7.03:1)
Aaon black
4.61:1passpassfail
  • AAA: use #58a0b6 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407e91 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

#407e91 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #407e91
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #407e91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407e91-9cb6c4-df4e72-1f242d-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