Color

#128fab

#128fab
hex#128fab
rgbrgb(18, 143, 171)
hslhsl(191, 81%, 37%)
oklchoklch(0.602 0.105 218.8)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2271

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab2e12

#12ab7a · #1242ab

#ab128f · #8fab12

Split-complementary

Open in tool →

#ab1242 · #ab7a12

#7a12ab · #ab2e12 · #42ab12

Contrast

#128fab as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #107f98 as the text (4.66:1)
  • AAA: use #0c6073 as the text (7.15:1)
  • AA: or shift the background to #1a1a1a (4.59:1)
Aaon black
5.54:1passpassfail
  • AAA: use #15a6c6 as the text (7.3:1)

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

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

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

tool url/palettes/new/128fab-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