Color

#4035bb

#4035bb
hex#4035bb
rgbrgb(64, 53, 187)
hslhsl(245, 56%, 47%)
oklchoklch(0.436 0.2 277.8)
Closest name: Blurple (#5539cc)Relative luminance 0.0722

Colors that go with #4035bb

Charcoal, Sea Green and Steel Blue 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.

Real palettes that use #4035bb

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b0bb35

#356dbb · #8335bb

#bb4035 · #35bb40

Split-complementary

Open in tool →

#bb8335 · #6dbb35

#bb356d · #b0bb35 · #35bb83

Contrast

#4035bb as textRatioAAAA largeAAAFix
Aaon white
8.59:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #7168d4 as the text (4.63:1)
  • AAA: use #938cde as the text (7.05:1)
  • AA: or shift the background to #bdbdbd (4.57:1)
  • AAA: or shift the background to #e8e8e8 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4035bb 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

#4035bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4035bb
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 #4035bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4035bb-a49cc4-dfa54e-261f2d-e9ecf1?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