Color

#0177bc

#0177bc
hex#0177bc
rgbrgb(1, 119, 188)
hslhsl(202, 99%, 37%)
oklchoklch(0.55 0.138 245)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1683

Colors that go with #0177bc

Charcoal, Amber and Blue 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 →

#bc4501

#01bca3 · #011abc

#bc0177 · #77bc01

Split-complementary

Open in tool →

#bc011a · #bca301

#a301bc · #bc4501 · #1abc01

Contrast

#0177bc as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #015d93 as the text (7.03:1)
Aaon black
4.37:1failpassfail
  • AA: use #017ac1 as the text (4.56:1)
  • AAA: use #019ef9 as the text (7.26:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0177bc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0177bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0177bc
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 #0177bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0177bc-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