Color

#5d75df

#5d75df
hex#5d75df
rgbrgb(93, 117, 223)
hslhsl(229, 67%, 62%)
oklchoklch(0.597 0.163 271.1)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2038

Colors that go with #5d75df

Charcoal, Sea Green 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 →

#dfc75d

#5db6df · #865ddf

#df5d75 · #75df5d

Split-complementary

Open in tool →

#df865d · #b6df5d

#df5db6 · #dfc75d · #5ddf86

Contrast

#5d75df as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #556edd as the text (4.51:1)
  • AAA: use #2948d1 as the text (7.14:1)
  • AA: or shift the background to #121212 (4.53:1)
Aaon black
5.08:1passpassfail
  • AAA: use #7f92e6 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d75df as the background.

Brands using this color

Fonts for this mood

#5d75df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5d75df
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 #5d75df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d75df-9c9fc4-df7e4e-231f2d-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