Color

#25abfe

#25abfe
hex#25abfe
rgbrgb(37, 171, 254)
hslhsl(203, 99%, 57%)
oklchoklch(0.712 0.162 243)
Closest name: Cerulean (#55aaee)Relative luminance 0.3667

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fe7825

#25fee5 · #253efe

#fe25ab · #abfe25

Split-complementary

Open in tool →

#fe253e · #fee525

#e525fe · #fe7825 · #3efe25

Contrast

#25abfe as textRatioAAAA largeAAAFix
Aaon white
2.52:1failfailfail
  • AA: use #017ac6 as the text (4.56:1)
  • AAA: use #015b93 as the text (7.19:1)
  • AA: or shift the background to #383838 (4.65:1)
  • AAA: or shift the background to #171717 (7.12:1)
Aaon black
8.33:1passpasspassPasses 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 #25abfe as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/25abfe-9cb0c4-df4e5d-1f222d-e9f1f0?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