Color

#5788ea

#5788ea
hex#5788ea
rgbrgb(87, 136, 234)
hslhsl(220, 78%, 63%)
oklchoklch(0.639 0.157 262.7)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2558

Colors that go with #5788ea

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 →

#eab957

#57d2ea · #7057ea

#ea5788 · #88ea57

Split-complementary

Open in tool →

#ea7057 · #d2ea57

#ea57d2 · #eab957 · #57ea70

Contrast

#5788ea as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #336ee6 as the text (4.65:1)
  • AAA: use #184fbf as the text (7.22:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.12:1passpassfail
  • AAA: use #6995ec as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5788ea as the background.

Brands using this color

Fonts for this mood

#5788ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5788ea
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 #5788ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5788ea-9ca5c4-df694e-211f2d-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