Color

#128baf

#128baf
hex#128baf
rgbrgb(18, 139, 175)
hslhsl(194, 81%, 38%)
oklchoklch(0.593 0.109 225.2)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2169

Colors that go with #128baf

Charcoal, Copper and Crimson 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 →

#af3712

#12af86 · #123caf

#af128b · #8baf12

Split-complementary

Open in tool →

#af123c · #af8612

#8612af · #af3712 · #3caf12

Contrast

#128baf as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #1180a2 as the text (4.53:1)
  • AAA: use #0d5f78 as the text (7.18:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.34:1passpassfail
  • AAA: use #16a4d0 as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128baf as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#128baf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #128baf
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 #128baf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128baf-9cb6c4-df4e72-1f242d-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