Color

#3538ed

#3538ed
hex#3538ed
rgbrgb(53, 56, 237)
hslhsl(239, 84%, 57%)
oklchoklch(0.484 0.259 270.8)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.097

Colors that go with #3538ed

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 →

#edea35

#3594ed · #8e35ed

#ed3538 · #38ed35

Split-complementary

Open in tool →

#ed8e35 · #94ed35

#ed3594 · #edea35 · #35ed8e

Contrast

#3538ed as textRatioAAAA largeAAAFix
Aaon white
7.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #5f62f1 as the text (4.5:1)
  • AAA: use #8a8bf5 as the text (7.09:1)
  • AA: or shift the background to #cfcfcf (4.58:1)
  • AAA: or shift the background to #ffffff (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3538ed 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

#3538ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3538ed
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 #3538ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3538ed-a09cc4-df964e-251f2d-e9edf1?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