Color

#1777fd

#1777fd
hex#1777fd
rgbrgb(23, 119, 253)
hslhsl(215, 98%, 54%)
oklchoklch(0.597 0.217 258.9)
Closest name: Azure (#007fff)Relative luminance 0.2047

Colors that go with #1777fd

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 →

#fd9d17

#17e9fd · #2a17fd

#fd1777 · #77fd17

Split-complementary

Open in tool →

#fd2a17 · #e9fd17

#fd17e9 · #fd9d17 · #17fd2a

Contrast

#1777fd as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #086efd as the text (4.51:1)
  • AAA: use #0251c0 as the text (7.14:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #4e97fd as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1777fd as the background.

Brands using this color

Fonts for this mood

#1777fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1777fd
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 #1777fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1777fd-9ca8c4-df5d4e-201f2d-e9f0f1?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