Color

#0b77ea

#0b77ea
hex#0b77ea
rgbrgb(11, 119, 234)
hslhsl(211, 91%, 48%)
oklchoklch(0.582 0.194 256)
Closest name: Azure (#007fff)Relative luminance 0.1921

Colors that go with #0b77ea

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 →

#ea7e0b

#0be6ea · #0f0bea

#ea0b77 · #77ea0b

Split-complementary

Open in tool →

#ea0f0b · #e6ea0b

#ea0be6 · #ea7e0b · #0bea0f

Contrast

#0b77ea as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #0b74e5 as the text (4.52:1)
  • AAA: use #0857aa as the text (7.11:1)
  • AA: or shift the background to #0a0a0a (4.56:1)
Aaon black
4.84:1passpassfail
  • AAA: use #4199f6 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b77ea as the background.

Brands using this color

Fonts for this mood

#0b77ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b77ea
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 #0b77ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b77ea-9cabc4-df534e-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