Color

#0180ef

#0180ef
hex#0180ef
rgbrgb(1, 128, 239)
hslhsl(208, 99%, 47%)
oklchoklch(0.604 0.191 253.9)
Closest name: Azure (#007fff)Relative luminance 0.2168

Colors that go with #0180ef

Charcoal, Crimson and Copper 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 →

#ef7001

#01efe7 · #0109ef

#ef0180 · #80ef01

Split-complementary

Open in tool →

#ef0109 · #efe701

#e701ef · #ef7001 · #09ef01

Contrast

#0180ef as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #0175da as the text (4.61:1)
  • AAA: use #0157a2 as the text (7.28:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.34:1passpassfail
  • AAA: use #2599fe as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0180ef as the background.

Brands using this color

Fonts for this mood

#0180ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0180ef
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 #0180ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0180ef-9cadc4-df4e51-1f212d-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