Color

#335bd1

#335bd1
hex#335bd1
rgbrgb(51, 91, 209)
hslhsl(225, 63%, 51%)
oklchoklch(0.514 0.188 265.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1279

Colors that go with #335bd1

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 →

#d1a933

#33a9d1 · #5b33d1

#d1335b · #5bd133

Split-complementary

Open in tool →

#d15b33 · #a9d133

#d133a9 · #d1a933 · #33d15b

Contrast

#335bd1 as textRatioAAAA largeAAAFix
Aaon white
5.9:1passpassfail
  • AAA: use #2a4fbb as the text (7.16:1)
Aaon black
3.56:1failpassfail
  • AA: use #4c6fd6 as the text (4.55:1)
  • AAA: use #7a94e1 as the text (7.15:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #335bd1 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

#335bd1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #335bd1
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 #335bd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/335bd1-9ca1c4-df754e-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