Color

#4b99ce

#4b99ce
hex#4b99ce
rgbrgb(75, 153, 206)
hslhsl(204, 57%, 55%)
oklchoklch(0.656 0.11 241)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2873

Colors that go with #4b99ce

Charcoal, Bronze 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 →

#ce7f4b

#4bcec1 · #4b58ce

#ce4b99 · #99ce4b

Split-complementary

Open in tool →

#ce4b58 · #cec14b

#c14bce · #ce7f4b · #58ce4b

Contrast

#4b99ce as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #2f7aac as the text (4.67:1)
  • AAA: use #235b80 as the text (7.29:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.75:1passpassfail
  • AAA: use #539ed0 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b99ce 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

#4b99ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b99ce
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 #4b99ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b99ce-9cafc4-df4e5a-1f222d-e9f1f0?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