Color

#159bbc

#159bbc
hex#159bbc
rgbrgb(21, 155, 188)
hslhsl(192, 80%, 41%)
oklchoklch(0.639 0.113 220.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2723

Colors that go with #159bbc

Charcoal, Amber and Cobalt 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.

Real palettes that use #159bbc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc3615

#15bc8a · #1547bc

#bc159b · #9bbc15

Split-complementary

Open in tool →

#bc1547 · #bc8a15

#8a15bc · #bc3615 · #47bc15

Contrast

#159bbc as textRatioAAAA largeAAAFix
Aaon white
3.26:1failpassfail
  • AA: use #11809c as the text (4.57:1)
  • AAA: use #0d5e73 as the text (7.33:1)
  • AA: or shift the background to #262626 (4.65:1)
Aaon black
6.45:1passpassfail
  • AAA: use #16a2c5 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #159bbc as the background.

Brands using this color

Fonts for this mood

#159bbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #159bbc
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 #159bbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/159bbc-a2b5be-df4e77-1f242d-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