Color

#137281

#137281
hex#137281
rgbrgb(19, 114, 129)
hslhsl(188, 74%, 29%)
oklchoklch(0.508 0.084 211.5)
Closest name: Blue Fjord (#007290)Relative luminance 0.1376

Tints & shades

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

Harmonies

Complementary

Open in tool →

#812213

#138159 · #133b81

#811372 · #728113

Split-complementary

Open in tool →

#81133b · #815913

#591381 · #812213 · #3b8113

Contrast

#137281 as textRatioAAAA largeAAAFix
Aaon white
5.6:1passpassfail
  • AAA: use #105e6a as the text (7.42:1)
Aaon black
3.75:1failpassfail
  • AA: use #168292 as the text (4.64:1)
  • AAA: use #1ca5ba as the text (7.14:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #137281 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

#137281 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #137281
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 #137281 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/137281-a2b7be-df4e81-1f252d-e9f1ee?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