Color

#0a8fcd

#0a8fcd
hex#0a8fcd
rgbrgb(10, 143, 205)
hslhsl(199, 91%, 42%)
oklchoklch(0.618 0.136 238.3)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2412

Colors that go with #0a8fcd

Charcoal, Red 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 →

#cd470a

#0acda9 · #0a2dcd

#cd0a8f · #8fcd0a

Split-complementary

Open in tool →

#cd0a2d · #cda90a

#a90acd · #cd470a · #2dcd0a

Contrast

#0a8fcd as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #087eb4 as the text (4.51:1)
  • AAA: use #065c84 as the text (7.31:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #0ba0e5 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a8fcd as the background.

Brands using this color

Fonts for this mood

#0a8fcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a8fcd
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 #0a8fcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a8fcd-9cb3c4-df4e66-1f232d-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