Color

#2570cb

#2570cb
hex#2570cb
rgbrgb(37, 112, 203)
hslhsl(213, 69%, 47%)
oklchoklch(0.549 0.159 255.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1629

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb8025

#25c2cb · #2d25cb

#cb2570 · #70cb25

Split-complementary

Open in tool →

#cb2d25 · #c2cb25

#cb25c2 · #cb8025 · #25cb2d

Contrast

#2570cb as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #1d589f as the text (7.12:1)
Aaon black
4.26:1failpassfail
  • AA: use #2774d3 as the text (4.53:1)
  • AAA: use #609ae2 as the text (7.22:1)
  • AA: or shift the background to #f5f5f5 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2570cb as the background.

Brands using this color

Fonts for this mood

#2570cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2570cb
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 #2570cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2570cb-9ca9c4-df584e-1f202d-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