Color

#4063e2

#4063e2
hex#4063e2
rgbrgb(64, 99, 226)
hslhsl(227, 74%, 57%)
oklchoklch(0.549 0.197 267.7)
Closest name: Royal Blue (#4169e1)Relative luminance 0.155

Colors that go with #4063e2

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 →

#e2bf40

#40b5e2 · #6e40e2

#e24063 · #63e240

Split-complementary

Open in tool →

#e26e40 · #b5e240

#e240b5 · #e2bf40 · #40e26e

Contrast

#4063e2 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #2047d5 as the text (7.18:1)
Aaon black
4.1:1failpassfail
  • AA: use #496be4 as the text (4.51:1)
  • AAA: use #7a92eb as the text (7.14:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4063e2 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

#4063e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4063e2
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 #4063e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4063e2-9ca0c4-df7a4e-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