Color

#018bc6

#018bc6
hex#018bc6
rgbrgb(1, 139, 198)
hslhsl(198, 99%, 39%)
oklchoklch(0.604 0.132 237.3)
Closest name: steelblue (#4682b4)Relative luminance 0.2255

Colors that go with #018bc6

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 →

#c63c01

#01c69f · #0128c6

#c6018b · #8bc601

Split-complementary

Open in tool →

#c60128 · #c69f01

#9f01c6 · #c63c01 · #28c601

Contrast

#018bc6 as textRatioAAAA largeAAAFix
Aaon white
3.81:1failpassfail
  • AA: use #017db2 as the text (4.59:1)
  • AAA: use #015d84 as the text (7.24:1)
  • AA: or shift the background to #1a1a1a (4.57:1)
Aaon black
5.51:1passpassfail
  • AAA: use #01a0e4 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #018bc6 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

#018bc6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #018bc6
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 #018bc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/018bc6-9cb3c4-df4e69-1f232d-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