Color

#1ba4e4

#1ba4e4
hex#1ba4e4
rgbrgb(27, 164, 228)
hslhsl(199, 79%, 50%)
oklchoklch(0.681 0.142 236.5)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3239

Colors that go with #1ba4e4

Charcoal, Bronze and Amber 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 →

#e45b1b

#1be4bf · #1b40e4

#e41ba4 · #a4e41b

Split-complementary

Open in tool →

#e41b40 · #e4bf1b

#bf1be4 · #e45b1b · #40e41b

Contrast

#1ba4e4 as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #147dad as the text (4.6:1)
  • AAA: use #105f84 as the text (7.02:1)
  • AA: or shift the background to #303030 (4.7:1)
  • AAA: or shift the background to #0a0a0a (7.05:1)
Aaon black
7.48:1passpasspassPasses 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 #1ba4e4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1ba4e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1ba4e4
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 #1ba4e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ba4e4-9cb3c4-df4e66-1f232d-e9f1f0?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