Color

#0b78f4

#0b78f4
hex#0b78f4
rgbrgb(11, 120, 244)
hslhsl(212, 91%, 50%)
oklchoklch(0.591 0.206 257.1)
Closest name: Azure (#007fff)Relative luminance 0.2004

Colors that go with #0b78f4

Charcoal, Crimson 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 →

#f4870b

#0becf4 · #130bf4

#f40b78 · #78f40b

Split-complementary

Open in tool →

#f4130b · #ecf40b

#f40bec · #f4870b · #0bf413

Contrast

#0b78f4 as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #0b73ea as the text (4.51:1)
  • AAA: use #0856af as the text (7.09:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #4698f6 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b78f4 as the background.

Brands using this color

Fonts for this mood

#0b78f4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b78f4
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 #0b78f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b78f4-9caac4-df564e-1f202d-e9f1f1?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