Color

#4c75fa

#4c75fa
hex#4c75fa
rgbrgb(76, 117, 250)
hslhsl(226, 95%, 64%)
oklchoklch(0.607 0.204 267.1)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2116

Colors that go with #4c75fa

Charcoal, Red 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 →

#fad24c

#4cccfa · #7b4cfa

#fa4c75 · #75fa4c

Split-complementary

Open in tool →

#fa7b4c · #ccfa4c

#fa4ccc · #fad24c · #4cfa7b

Contrast

#4c75fa as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #3d69fa as the text (4.57:1)
  • AAA: use #063cef as the text (7.24:1)
  • AA: or shift the background to #141414 (4.59:1)
Aaon black
5.23:1passpassfail
  • AAA: use #6f90fb as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c75fa 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

#4c75fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4c75fa
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 #4c75fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c75fa-9ca1c4-df774e-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