Color

#3abfe4

#3abfe4
hex#3abfe4
rgbrgb(58, 191, 228)
hslhsl(193, 76%, 56%)
oklchoklch(0.75 0.122 220.9)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4376

Colors that go with #3abfe4

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.

Real palettes that use #3abfe4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e45e3a

#3ae4b4 · #3a6ae4

#e43abf · #bfe43a

Split-complementary

Open in tool →

#e43a6a · #e4b43a

#b43ae4 · #e45e3a · #6ae43a

Contrast

#3abfe4 as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #15809d as the text (4.56:1)
  • AAA: use #105f75 as the text (7.2:1)
  • AA: or shift the background to #424242 (4.67:1)
  • AAA: or shift the background to #262626 (7.03:1)
Aaon black
9.75:1passpasspassPasses 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 #3abfe4 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

#3abfe4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3abfe4
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 #3abfe4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3abfe4-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