Color

#5351d2

#5351d2
hex#5351d2
rgbrgb(83, 81, 210)
hslhsl(241, 59%, 57%)
oklchoklch(0.514 0.193 277.9)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1238

Colors that go with #5351d2

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 →

#d0d251

#518fd2 · #9451d2

#d25351 · #51d253

Split-complementary

Open in tool →

#d29451 · #8fd251

#d2518f · #d0d251 · #51d294

Contrast

#5351d2 as textRatioAAAA largeAAAFix
Aaon white
6.04:1passpassfail
  • AAA: use #4744cf as the text (7.01:1)
Aaon black
3.48:1failpassfail
  • AA: use #6b69d8 as the text (4.64:1)
  • AAA: use #8f8de2 as the text (7.08:1)
  • AA: or shift the background to #e0e0e0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5351d2 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

#5351d2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5351d2
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 #5351d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5351d2-a19cc4-df9b4e-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