Color

#4154aa

#4154aa
hex#4154aa
rgbrgb(65, 84, 170)
hslhsl(229, 45%, 46%)
oklchoklch(0.477 0.139 270.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1037

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa9741

#4189aa · #6241aa

#aa4154 · #54aa41

Split-complementary

Open in tool →

#aa6241 · #89aa41

#aa4189 · #aa9741 · #41aa62

Contrast

#4154aa as textRatioAAAA largeAAAFix
Aaon white
6.83:1passpassfail
  • AAA: use #3f52a6 as the text (7.07:1)
Aaon black
3.07:1failpassfail
  • AA: use #6072c3 as the text (4.69:1)
  • AAA: use #8593d1 as the text (7.09:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4154aa 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

#4154aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4154aa
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 #4154aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4154aa-9c9fc4-df7e4e-231f2d-e9eef1?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