Color

#128aba

#128aba
hex#128aba
rgbrgb(18, 138, 186)
hslhsl(197, 82%, 40%)
oklchoklch(0.596 0.119 232.8)
Closest name: steelblue (#4682b4)Relative luminance 0.2185

Colors that go with #128aba

Charcoal, Crimson and Royal Blue 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 →

#ba4212

#12ba95 · #1237ba

#ba128a · #8aba12

Split-complementary

Open in tool →

#ba1237 · #ba9512

#9512ba · #ba4212 · #37ba12

Contrast

#128aba as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #117ca7 as the text (4.7:1)
  • AAA: use #0c5d7d as the text (7.3:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.37:1passpassfail
  • AAA: use #16a2da as the text (7.21:1)

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

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

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

tool url/palettes/new/128aba-9cb4c4-df4e6b-1f232d-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