Color

#2563e9

#2563e9
hex#2563e9
rgbrgb(37, 99, 233)
hslhsl(221, 82%, 53%)
oklchoklch(0.544 0.213 262.8)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.152

Colors that go with #2563e9

Charcoal, Crimson 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 →

#e9ab25

#25c5e9 · #4925e9

#e92563 · #63e925

Split-complementary

Open in tool →

#e94925 · #c5e925

#e925c5 · #e9ab25 · #25e949

Contrast

#2563e9 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #144ecc as the text (7.02:1)
Aaon black
4.04:1failpassfail
  • AA: use #336deb as the text (4.53:1)
  • AAA: use #6a95f0 as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2563e9 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2563e9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2563e9
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 #2563e9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2563e9-9ca4c4-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