Color

#3c5ecd

#3c5ecd
hex#3c5ecd
rgbrgb(60, 94, 205)
hslhsl(226, 59%, 52%)
oklchoklch(0.521 0.176 267.1)
Closest name: God of Rain (#4466cc)Relative luminance 0.1337

Colors that go with #3c5ecd

Charcoal, Sea Green and Amber 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 →

#cdab3c

#3ca6cd · #633ccd

#cd3c5e · #5ecd3c

Split-complementary

Open in tool →

#cd633c · #a6cd3c

#cd3ca6 · #cdab3c · #3ccd63

Contrast

#3c5ecd as textRatioAAAA largeAAAFix
Aaon white
5.71:1passpassfail
  • AAA: use #3050bb as the text (7.02:1)
Aaon black
3.67:1failpassfail
  • AA: use #516fd2 as the text (4.55:1)
  • AAA: use #7d94de as the text (7.16:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c5ecd 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

#3c5ecd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3c5ecd
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 #3c5ecd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c5ecd-9ca1c4-df774e-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