Color

#3353c7

#3353c7
hex#3353c7
rgbrgb(51, 83, 199)
hslhsl(227, 59%, 49%)
oklchoklch(0.49 0.184 267.3)
Closest name: Denim (#1560bd)Relative luminance 0.1101

Colors that go with #3353c7

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 →

#c7a733

#339dc7 · #5d33c7

#c73353 · #53c733

Split-complementary

Open in tool →

#c75d33 · #9dc733

#c7339d · #c7a733 · #33c75d

Contrast

#3353c7 as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #304ebb as the text (7.16:1)
Aaon black
3.2:1failpassfail
  • AA: use #5570d3 as the text (4.64:1)
  • AAA: use #7d92de as the text (7.04:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3353c7 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

#3353c7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3353c7
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 #3353c7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3353c7-9ca0c4-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