Color

#018cb7

#018cb7
hex#018cb7
rgbrgb(1, 140, 183)
hslhsl(194, 99%, 36%)
oklchoklch(0.598 0.117 228.8)
Closest name: steelblue (#4682b4)Relative luminance 0.2218

Colors that go with #018cb7

Charcoal, Crimson and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b72b01

#01b786 · #0131b7

#b7018c · #8cb701

Split-complementary

Open in tool →

#b70131 · #b78601

#8601b7 · #b72b01 · #31b701

Contrast

#018cb7 as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #017da2 as the text (4.71:1)
  • AAA: use #015e7a as the text (7.28:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.44:1passpassfail
  • AAA: use #01a4d5 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #018cb7 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#018cb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #018cb7
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 #018cb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/018cb7-9cb6c4-df4e72-1f242d-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