Color

#187df2

#187df2
hex#187df2
rgbrgb(24, 125, 242)
hslhsl(212, 89%, 52%)
oklchoklch(0.602 0.196 256.3)
Closest name: Azure (#007fff)Relative luminance 0.2127

Colors that go with #187df2

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 →

#f28c18

#18eaf2 · #1f18f2

#f2187d · #7df218

Split-complementary

Open in tool →

#f21f18 · #eaf218

#f218ea · #f28c18 · #18f21f

Contrast

#187df2 as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #0d73e7 as the text (4.54:1)
  • AAA: use #0a56ae as the text (7.11:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.25:1passpassfail
  • AAA: use #4898f4 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 #187df2 as the background.

Brands using this color

Fonts for this mood

#187df2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187df2
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 #187df2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187df2-9caac4-df564e-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