Color

#4bc1e2

#4bc1e2
hex#4bc1e2
rgbrgb(75, 193, 226)
hslhsl(193, 72%, 59%)
oklchoklch(0.758 0.114 219.8)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4513

Colors that go with #4bc1e2

Charcoal, Dark Salmon and Midnight Blue 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 →

#e26c4b

#4be2b7 · #4b76e2

#e24bc1 · #c1e24b

Split-complementary

Open in tool →

#e24b76 · #e2b74b

#b74be2 · #e26c4b · #76e24b

Contrast

#4bc1e2 as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #197e9a as the text (4.67:1)
  • AAA: use #136176 as the text (7:1)
  • AA: or shift the background to #454545 (4.58:1)
  • AAA: or shift the background to #262626 (7.22:1)
Aaon black
10.03:1passpasspassPasses 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 #4bc1e2 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

#4bc1e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4bc1e2
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 #4bc1e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bc1e2-a2b5be-df4e75-1f242d-e9f1ef?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