Color

#25aef8

#25aef8
hex#25aef8
rgbrgb(37, 174, 248)
hslhsl(201, 94%, 56%)
oklchoklch(0.716 0.153 239.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.3744

Colors that go with #25aef8

Charcoal, Dark Orange and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f86f25

#25f8d9 · #2545f8

#f825ae · #aef825

Split-complementary

Open in tool →

#f82545 · #f8d925

#d925f8 · #f86f25 · #45f825

Contrast

#25aef8 as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #067cbc as the text (4.55:1)
  • AAA: use #045c8b as the text (7.22:1)
  • AA: or shift the background to #3b3b3b (4.53:1)
  • AAA: or shift the background to #1a1a1a (7.04:1)
Aaon black
8.49:1passpasspassPasses 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 #25aef8 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#25aef8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25aef8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #25aef8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25aef8-9cb1c4-df4e62-1f222d-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