Color

#3c49aa

#3c49aa
hex#3c49aa
rgbrgb(60, 73, 170)
hslhsl(233, 48%, 45%)
oklchoklch(0.452 0.155 272.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0863

Colors that go with #3c49aa

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa9d3c

#3c80aa · #663caa

#aa3c49 · #49aa3c

Split-complementary

Open in tool →

#aa663c · #80aa3c

#aa3c80 · #aa9d3c · #3caa66

Contrast

#3c49aa as textRatioAAAA largeAAAFix
Aaon white
7.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.73:1failfailfail
  • AA: use #6470c9 as the text (4.7:1)
  • AAA: use #8a93d6 as the text (7.23:1)
  • AA: or shift the background to #c7c7c7 (4.56:1)
  • AAA: or shift the background to #f5f5f5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c49aa 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

#3c49aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c49aa
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #3c49aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c49aa-9c9cc4-df884e-241f2d-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