Color

#0870ba

#0870ba
hex#0870ba
rgbrgb(8, 112, 186)
hslhsl(205, 92%, 38%)
oklchoklch(0.533 0.142 248.4)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1519

Colors that go with #0870ba

Charcoal, Crimson and Amber 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 →

#ba5208

#08baab · #0817ba

#ba0870 · #70ba08

Split-complementary

Open in tool →

#ba0817 · #baab08

#ab08ba · #ba5208 · #17ba08

Contrast

#0870ba as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #065b98 as the text (7.1:1)
Aaon black
4.04:1failpassfail
  • AA: use #0879c9 as the text (4.59:1)
  • AAA: use #1e9cf6 as the text (7.14:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0870ba as the background.

Brands using this color

Fonts for this mood

#0870ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0870ba
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 #0870ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0870ba-9cafc4-df4e58-1f212d-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