Color

#0b8abc

#0b8abc
hex#0b8abc
rgbrgb(11, 138, 188)
hslhsl(197, 89%, 39%)
oklchoklch(0.597 0.122 233.5)
Closest name: steelblue (#4682b4)Relative luminance 0.2188

Colors that go with #0b8abc

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 →

#bc3d0b

#0bbc96 · #0b31bc

#bc0b8a · #8abc0b

Split-complementary

Open in tool →

#bc0b31 · #bc960b

#960bbc · #bc3d0b · #31bc0b

Contrast

#0b8abc as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #0a7fae as the text (4.51:1)
  • AAA: use #085f82 as the text (7.07:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #0da3de as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b8abc 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

#0b8abc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b8abc
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 #0b8abc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b8abc-9cb4c4-df4e6b-1f232d-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