Color

#129eba

#129eba
hex#129eba
rgbrgb(18, 158, 186)
hslhsl(190, 82%, 40%)
oklchoklch(0.646 0.112 216.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2813

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba2e12

#12ba82 · #124aba

#ba129e · #9eba12

Split-complementary

Open in tool →

#ba124a · #ba8212

#8212ba · #ba2e12 · #4aba12

Contrast

#129eba as textRatioAAAA largeAAAFix
Aaon white
3.17:1failpassfail
  • AA: use #0f7e95 as the text (4.73:1)
  • AAA: use #0b5f6f as the text (7.29:1)
  • AA: or shift the background to #292929 (4.59:1)
Aaon black
6.63:1passpassfail
  • AAA: use #13a6c3 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129eba 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

#129eba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #129eba
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 #129eba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129eba-a2b6be-df4e7c-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