Color

#4a9ef2

#4a9ef2
hex#4a9ef2
rgbrgb(74, 158, 242)
hslhsl(210, 87%, 62%)
oklchoklch(0.686 0.149 250.9)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3232

Colors that go with #4a9ef2

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 →

#f29e4a

#4af2f2 · #4a4af2

#f24a9e · #9ef24a

Split-complementary

Open in tool →

#f24a4a · #f2f24a

#f24af2 · #f29e4a · #4af24a

Contrast

#4a9ef2 as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #0f75db as the text (4.58:1)
  • AAA: use #0b57a2 as the text (7.24:1)
  • AA: or shift the background to #303030 (4.69:1)
  • AAA: or shift the background to #0a0a0a (7.04:1)
Aaon black
7.46:1passpasspassPasses 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 #4a9ef2 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

#4a9ef2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a9ef2
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 #4a9ef2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a9ef2-9cabc4-df514e-1f202d-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