Color

#25a7cb

#25a7cb
hex#25a7cb
rgbrgb(37, 167, 203)
hslhsl(193, 69%, 47%)
oklchoklch(0.678 0.117 222)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3234

Colors that go with #25a7cb

Charcoal, Tomato 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 →

#cb4925

#25cb9c · #2554cb

#cb25a7 · #a7cb25

Split-complementary

Open in tool →

#cb2554 · #cb9c25

#9c25cb · #cb4925 · #54cb25

Contrast

#25a7cb as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #1c809b as the text (4.55:1)
  • AAA: use #156074 as the text (7.1:1)
  • AA: or shift the background to #303030 (4.69:1)
  • AAA: or shift the background to #0a0a0a (7.04:1)
Aaon black
7.47:1passpasspassPasses 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 #25a7cb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#25a7cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25a7cb
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 #25a7cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25a7cb-a2b5be-df4e75-1f242d-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