Color

#514eb7

#514eb7
hex#514eb7
rgbrgb(81, 78, 183)
hslhsl(242, 42%, 51%)
oklchoklch(0.486 0.161 279.8)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1062

Colors that go with #514eb7

Charcoal, Amber and 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 →

#b3b74e

#4e7fb7 · #864eb7

#b7514e · #4eb751

Split-complementary

Open in tool →

#b7864e · #7fb74e

#b74e7f · #b3b74e · #4eb786

Contrast

#514eb7 as textRatioAAAA largeAAAFix
Aaon white
6.72:1passpassfail
  • AAA: use #4e4ab5 as the text (7.07:1)
Aaon black
3.12:1failpassfail
  • AA: use #6d6bc2 as the text (4.53:1)
  • AAA: use #918fd1 as the text (7.05:1)
  • AA: or shift the background to #d4d4d4 (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 #514eb7 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#514eb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #514eb7
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 #514eb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/514eb7-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