Color

#3354fa

#3354fa
hex#3354fa
rgbrgb(51, 84, 250)
hslhsl(230, 95%, 59%)
oklchoklch(0.537 0.247 267.6)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1395

Colors that go with #3354fa

Charcoal, Crimson 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 →

#fad933

#33b8fa · #7533fa

#fa3354 · #54fa33

Split-complementary

Open in tool →

#fa7533 · #b8fa33

#fa33b8 · #fad933 · #33fa75

Contrast

#3354fa as textRatioAAAA largeAAAFix
Aaon white
5.54:1passpassfail
  • AAA: use #1037f9 as the text (7.15:1)
Aaon black
3.79:1failpassfail
  • AA: use #4765fa as the text (4.51:1)
  • AAA: use #798ffc as the text (7.15:1)
  • AA: or shift the background to #e8e8e8 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3354fa as the background.

Brands using this color

Fonts for this mood

#3354fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3354fa
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 #3354fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3354fa-9c9ec4-df814e-231f2d-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