Color

#5983de

#5983de
hex#5983de
rgbrgb(89, 131, 222)
hslhsl(221, 67%, 61%)
oklchoklch(0.623 0.145 264)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2363

Colors that go with #5983de

Charcoal, Copper 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 →

#deb459

#59c6de · #7159de

#de5983 · #83de59

Split-complementary

Open in tool →

#de7159 · #c6de59

#de59c6 · #deb459 · #59de71

Contrast

#5983de as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #3f70d9 as the text (4.63:1)
  • AAA: use #2453b7 as the text (7.01:1)
  • AA: or shift the background to #1c1c1c (4.65:1)
Aaon black
5.73:1passpassfail
  • AAA: use #7296e3 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5983de as the background.

Brands using this color

Fonts for this mood

#5983de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5983de
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 #5983de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5983de-9ca4c4-df6b4e-211f2d-e9eff1?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