Color

#25b4e4

#25b4e4
hex#25b4e4
rgbrgb(37, 180, 228)
hslhsl(195, 78%, 52%)
oklchoklch(0.72 0.131 227.1)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3864

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e45525

#25e4b4 · #2555e4

#e425b4 · #b4e425

Split-complementary

Open in tool →

#e42555 · #e4b425

#b425e4 · #e45525 · #55e425

Contrast

#25b4e4 as textRatioAAAA largeAAAFix
Aaon white
2.41:1failfailfail
  • AA: use #1480a3 as the text (4.52:1)
  • AAA: use #0f607b as the text (7.05:1)
  • AA: or shift the background to #3d3d3d (4.51:1)
  • AAA: or shift the background to #1c1c1c (7.08:1)
Aaon black
8.73:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #25b4e4 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

#25b4e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25b4e4
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 #25b4e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25b4e4-9cb5c4-df4e70-1f242d-e9f1ef?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