Color

#514dcb

#514dcb
hex#514dcb
rgbrgb(81, 77, 203)
hslhsl(242, 55%, 55%)
oklchoklch(0.5 0.189 278.5)
Closest name: Blurple (#5539cc)Relative luminance 0.1137

Colors that go with #514dcb

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 →

#c7cb4d

#4d88cb · #904dcb

#cb514d · #4dcb51

Split-complementary

Open in tool →

#cb904d · #88cb4d

#cb4d88 · #c7cb4d · #4dcb90

Contrast

#514dcb as textRatioAAAA largeAAAFix
Aaon white
6.41:1passpassfail
  • AAA: use #4a45c9 as the text (7.03:1)
Aaon black
3.27:1failpassfail
  • AA: use #6c69d3 as the text (4.6:1)
  • AAA: use #9390df as the text (7.3:1)
  • AA: or shift the background to #d9d9d9 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #514dcb as the background.

Brands using this color

Fonts for this mood

#514dcb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #514dcb
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 #514dcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/514dcb-a29cc4-df9e4e-261f2d-e9edf1?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