Color

#4640c4

#4640c4
hex#4640c4
rgbrgb(70, 64, 196)
hslhsl(243, 53%, 51%)
oklchoklch(0.465 0.198 277.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0895

Colors that go with #4640c4

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bec440

#407bc4 · #8940c4

#c44640 · #40c446

Split-complementary

Open in tool →

#c48940 · #7bc440

#c4407b · #bec440 · #40c489

Contrast

#4640c4 as textRatioAAAA largeAAAFix
Aaon white
7.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #706bd1 as the text (4.71:1)
  • AAA: use #928edc as the text (7.12:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4640c4 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

#4640c4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4640c4
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 #4640c4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4640c4-a39cc4-dfa04e-261f2d-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