Color

#128aa5

#128aa5
hex#128aa5
rgbrgb(18, 138, 165)
hslhsl(191, 80%, 36%)
oklchoklch(0.586 0.102 218.8)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2102

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a52d12

#12a577 · #1241a5

#a5128a · #8aa512

Split-complementary

Open in tool →

#a51241 · #a57712

#7712a5 · #a52d12 · #41a512

Contrast

#128aa5 as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #117f97 as the text (4.66:1)
  • AAA: use #0d6073 as the text (7.15:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.2:1passpassfail
  • AAA: use #16a5c5 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128aa5 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

#128aa5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #128aa5
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 #128aa5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128aa5-a2b6be-df4e7a-1f252d-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