Color

#0d72ba

#0d72ba
hex#0d72ba
rgbrgb(13, 114, 186)
hslhsl(205, 87%, 39%)
oklchoklch(0.538 0.139 247.7)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1567

Colors that go with #0d72ba

Charcoal, Crimson and Sienna 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 →

#ba550d

#0dbaac · #0d1bba

#ba0d72 · #72ba0d

Split-complementary

Open in tool →

#ba0d1b · #baac0d

#ac0dba · #ba550d · #1bba0d

Contrast

#0d72ba as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #0a5b94 as the text (7.15:1)
Aaon black
4.13:1failpassfail
  • AA: use #0e78c4 as the text (4.5:1)
  • AAA: use #249bf0 as the text (7.02:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d72ba as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0d72ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d72ba
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 #0d72ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d72ba-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