Color

#4aa6fc

#4aa6fc
hex#4aa6fc
rgbrgb(74, 166, 252)
hslhsl(209, 97%, 64%)
oklchoklch(0.709 0.153 249.6)
Closest name: Cerulean (#55aaee)Relative luminance 0.3576

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fca04a

#4afcf9 · #4a4dfc

#fc4aa6 · #a6fc4a

Split-complementary

Open in tool →

#fc4a4d · #fcf94a

#f94afc · #fca04a · #4dfc4a

Contrast

#4aa6fc as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #0374dd as the text (4.62:1)
  • AAA: use #0357a6 as the text (7.2:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.15:1)
Aaon black
8.15:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4aa6fc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#4aa6fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4aa6fc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4aa6fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4aa6fc-9cacc4-df4e4e-1f212d-e9f1f1?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