Color

#0a8cd1

#0a8cd1
hex#0a8cd1
rgbrgb(10, 140, 209)
hslhsl(201, 91%, 43%)
oklchoklch(0.613 0.142 241.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2342

Colors that go with #0a8cd1

Charcoal, Red and Copper 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 →

#d1500a

#0ad1b3 · #0a28d1

#d10a8c · #8cd10a

Split-complementary

Open in tool →

#d10a28 · #d1b30a

#b30ad1 · #d1500a · #28d10a

Contrast

#0a8cd1 as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #097bb9 as the text (4.62:1)
  • AAA: use #075e8d as the text (7.01:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.68:1passpassfail
  • AAA: use #0b9fef as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a8cd1 as the background.

Brands using this color

Fonts for this mood

#0a8cd1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a8cd1
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 #0a8cd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a8cd1-9cb1c4-df4e62-1f222d-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