Color

#3c4aaa

#3c4aaa
hex#3c4aaa
rgbrgb(60, 74, 170)
hslhsl(232, 48%, 45%)
oklchoklch(0.454 0.153 272.5)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0876

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa9b3c

#3c81aa · #643caa

#aa3c4a · #4aaa3c

Split-complementary

Open in tool →

#aa643c · #81aa3c

#aa3c81 · #aa9b3c · #3caa64

Contrast

#3c4aaa as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #606ec7 as the text (4.55:1)
  • AAA: use #8691d5 as the text (7.02:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (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 #3c4aaa 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

#3c4aaa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c4aaa
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 #3c4aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c4aaa-9c9dc4-df864e-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