Color

#415bb9

#415bb9
hex#415bb9
rgbrgb(65, 91, 185)
hslhsl(227, 48%, 49%)
oklchoklch(0.502 0.151 268.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1211

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b99f41

#4197b9 · #6341b9

#b9415b · #5bb941

Split-complementary

Open in tool →

#b96341 · #97b941

#b94197 · #b99f41 · #41b963

Contrast

#415bb9 as textRatioAAAA largeAAAFix
Aaon white
6.14:1passpassfail
  • AAA: use #3a52a6 as the text (7.15:1)
Aaon black
3.42:1failpassfail
  • AA: use #5970c5 as the text (4.55:1)
  • AAA: use #8294d3 as the text (7.13:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #415bb9 as the background.

Brands using this color

Fonts for this mood

#415bb9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #415bb9
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 #415bb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/415bb9-9ca0c4-df7a4e-221f2d-e9eff1?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