Color

#4073bf

#4073bf
hex#4073bf
rgbrgb(64, 115, 191)
hslhsl(216, 50%, 50%)
oklchoklch(0.557 0.131 258.2)
Closest name: Campanula (#3473b7)Relative luminance 0.1711

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf8c40

#40b3bf · #4c40bf

#bf4073 · #73bf40

Split-complementary

Open in tool →

#bf4d40 · #b3bf40

#bf40b3 · #bf8c40 · #40bf4d

Contrast

#4073bf as textRatioAAAA largeAAAFix
Aaon white
4.75:1passpassfail
  • AAA: use #305791 as the text (7.25:1)
Aaon black
4.42:1failpassfail
  • AA: use #4476c1 as the text (4.61:1)
  • AAA: use #7197d0 as the text (7.04:1)
  • AA: or shift the background to #fafafa (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 #4073bf as the background.

Brands using this color

Fonts for this mood

#4073bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4073bf
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 #4073bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4073bf-9ca7c4-df5f4e-201f2d-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