Color

#4aa1f2

#4aa1f2
hex#4aa1f2
rgbrgb(74, 161, 242)
hslhsl(209, 87%, 62%)
oklchoklch(0.692 0.146 249.4)
Closest name: Cerulean (#55aaee)Relative luminance 0.3336

Colors that go with #4aa1f2

Charcoal, Medium Sea Green and Tomato 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 →

#f29b4a

#4af2f0 · #4a4df2

#f24aa1 · #a1f24a

Split-complementary

Open in tool →

#f24a4d · #f2f04a

#f04af2 · #f29b4a · #4df24a

Contrast

#4aa1f2 as textRatioAAAA largeAAAFix
Aaon white
2.74:1failfailfail
  • AA: use #0f76d7 as the text (4.57:1)
  • AAA: use #0b59a2 as the text (7.08:1)
  • AA: or shift the background to #333333 (4.62:1)
  • AAA: or shift the background to #0f0f0f (7:1)
Aaon black
7.67:1passpasspassPasses 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 #4aa1f2 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

#4aa1f2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4aa1f2
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 #4aa1f2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4aa1f2-9cacc4-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