Color

#0d71ab

#0d71ab
hex#0d71ab
rgbrgb(13, 113, 171)
hslhsl(202, 86%, 36%)
oklchoklch(0.527 0.122 242.6)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1484

Colors that go with #0d71ab

Charcoal, Sienna 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 →

#ab470d

#0dab96 · #0d22ab

#ab0d71 · #71ab0d

Split-complementary

Open in tool →

#ab0d22 · #ab960d

#960dab · #ab470d · #22ab0d

Contrast

#0d71ab as textRatioAAAA largeAAAFix
Aaon white
5.29:1passpassfail
  • AAA: use #0a5b8a as the text (7.3:1)
Aaon black
3.97:1failpassfail
  • AA: use #0e7ab9 as the text (4.5:1)
  • AAA: use #129ded as the text (7.07:1)
  • AA: or shift the background to #ededed (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d71ab as the background.

Brands using this color

Fonts for this mood

#0d71ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d71ab
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 #0d71ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d71ab-9cb1c4-df4e5f-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