Color

#0d78c5

#0d78c5
hex#0d78c5
rgbrgb(13, 120, 197)
hslhsl(205, 88%, 41%)
oklchoklch(0.559 0.147 248.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1755

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c5590d

#0dc5b5 · #0d1cc5

#c50d78 · #78c50d

Split-complementary

Open in tool →

#c50d1c · #c5b50d

#b50dc5 · #c5590d · #1cc50d

Contrast

#0d78c5 as textRatioAAAA largeAAAFix
Aaon white
4.66:1passpassfail
  • AAA: use #095b95 as the text (7.14:1)
Aaon black
4.51:1passpassfail
  • AAA: use #229bf1 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d78c5 as the background.

Brands using this color

Fonts for this mood

#0d78c5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d78c5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0d78c5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d78c5-9cafc4-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