Color

#2583da

#2583da
hex#2583da
rgbrgb(37, 131, 218)
hslhsl(209, 71%, 50%)
oklchoklch(0.601 0.157 251.1)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2169

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#da7c25

#25dad7 · #2528da

#da2583 · #83da25

Split-complementary

Open in tool →

#da2528 · #dad725

#d725da · #da7c25 · #28da25

Contrast

#2583da as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #2278c9 as the text (4.57:1)
  • AAA: use #195994 as the text (7.25:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.34:1passpassfail
  • AAA: use #519be1 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2583da as the background.

Brands using this color

Fonts for this mood

#2583da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2583da
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2583da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2583da-9cacc4-df4e4e-1f212d-e9f1f1?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