Color

#258ee4

#258ee4
hex#258ee4
rgbrgb(37, 142, 228)
hslhsl(207, 78%, 52%)
oklchoklch(0.632 0.158 248.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2534

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e47b25

#25e4db · #252fe4

#e4258e · #8ee425

Split-complementary

Open in tool →

#e4252f · #e4db25

#db25e4 · #e47b25 · #2fe425

Contrast

#258ee4 as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #1979c8 as the text (4.56:1)
  • AAA: use #135b96 as the text (7.08:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.07:1passpassfail
  • AAA: use #409ce7 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 #258ee4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#258ee4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #258ee4
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 #258ee4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258ee4-9cadc4-df4e53-1f212d-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