Color

#497ff3

#497ff3
hex#497ff3
rgbrgb(73, 127, 243)
hslhsl(221, 88%, 62%)
oklchoklch(0.62 0.184 263.3)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2307

Colors that go with #497ff3

Charcoal, Red and Amber 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 →

#f3bd49

#49d4f3 · #6849f3

#f3497f · #7ff349

Split-complementary

Open in tool →

#f36849 · #d4f349

#f349d4 · #f3bd49 · #49f368

Contrast

#497ff3 as textRatioAAAA largeAAAFix
Aaon white
3.74:1failpassfail
  • AA: use #316ef2 as the text (4.52:1)
  • AAA: use #0d4cd3 as the text (7.02:1)
  • AA: or shift the background to #1c1c1c (4.56:1)
Aaon black
5.61:1passpassfail
  • AAA: use #6693f5 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #497ff3 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#497ff3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #497ff3
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 #497ff3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/497ff3-9ca4c4-df6b4e-211f2d-e9eff1?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