Color

#508bf1

#508bf1
hex#508bf1
rgbrgb(80, 139, 241)
hslhsl(218, 85%, 63%)
oklchoklch(0.647 0.165 260.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2652

Colors that go with #508bf1

Charcoal, Medium Sea Green and Orange Red 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 →

#f1b650

#50dbf1 · #6650f1

#f1508b · #8bf150

Split-complementary

Open in tool →

#f16650 · #dbf150

#f150db · #f1b650 · #50f166

Contrast

#508bf1 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #266fed as the text (4.59:1)
  • AAA: use #1051c1 as the text (7.07:1)
  • AA: or shift the background to #262626 (4.54:1)
Aaon black
6.3:1passpassfail
  • AAA: use #5f95f2 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #508bf1 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

#508bf1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #508bf1
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 #508bf1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/508bf1-9ca6c4-df644e-201f2d-e9f0f1?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