Color

#137cec

#137cec
hex#137cec
rgbrgb(19, 124, 236)
hslhsl(211, 85%, 50%)
oklchoklch(0.595 0.19 255.4)
Closest name: Azure (#007fff)Relative luminance 0.2061

Colors that go with #137cec

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 →

#ec8313

#13e8ec · #1713ec

#ec137c · #7cec13

Split-complementary

Open in tool →

#ec1713 · #e8ec13

#ec13e8 · #ec8313 · #13ec17

Contrast

#137cec as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #1274de as the text (4.59:1)
  • AAA: use #0d57a5 as the text (7.18:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.12:1passpassfail
  • AAA: use #4799f0 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #137cec 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

#137cec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #137cec
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 #137cec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/137cec-9cabc4-df534e-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