Color

#335ddb

#335ddb
hex#335ddb
rgbrgb(51, 93, 219)
hslhsl(225, 70%, 53%)
oklchoklch(0.526 0.199 265.7)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1365

Colors that go with #335ddb

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 →

#dbb133

#33b1db · #5d33db

#db335d · #5ddb33

Split-complementary

Open in tool →

#db5d33 · #b1db33

#db33b1 · #dbb133 · #33db5d

Contrast

#335ddb as textRatioAAAA largeAAAFix
Aaon white
5.63:1passpassfail
  • AAA: use #234cc7 as the text (7.17:1)
Aaon black
3.73:1failpassfail
  • AA: use #496edf as the text (4.58:1)
  • AAA: use #7994e7 as the text (7.2:1)
  • AA: or shift the background to #e6e6e6 (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 #335ddb as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/335ddb-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