Color

#172afd

#172afd
hex#172afd
rgbrgb(23, 42, 253)
hslhsl(235, 98%, 54%)
oklchoklch(0.477 0.293 265.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.0893

Colors that go with #172afd

Charcoal, Crimson and Cobalt 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 →

#fde917

#179dfd · #7717fd

#fd172a · #2afd17

Split-complementary

Open in tool →

#fd7717 · #9dfd17

#fd179d · #fde917 · #17fd77

Contrast

#172afd as textRatioAAAA largeAAAFix
Aaon white
7.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #5866fd as the text (4.73:1)
  • AAA: use #818bfe as the text (7.06:1)
  • AA: or shift the background to #c9c9c9 (4.55:1)
  • AAA: or shift the background to #f7f7f7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #172afd as the background.

Brands using this color

Fonts for this mood

#172afd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #172afd
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 #172afd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/172afd-9e9cc4-df8d4e-241f2d-e9eef1?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