Color

#136e81

#136e81
hex#136e81
rgbrgb(19, 110, 129)
hslhsl(190, 74%, 29%)
oklchoklch(0.498 0.083 216.3)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1288

Tints & shades

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

Harmonies

Complementary

Open in tool →

#812513

#13815c · #133881

#81136e · #6e8113

Split-complementary

Open in tool →

#811338 · #815c13

#5c1381 · #812513 · #388113

Contrast

#136e81 as textRatioAAAA largeAAAFix
Aaon white
5.87:1passpassfail
  • AAA: use #115f6f as the text (7.27:1)
Aaon black
3.58:1failpassfail
  • AA: use #178197 as the text (4.62:1)
  • AAA: use #1da4bf as the text (7.11:1)
  • AA: or shift the background to #e3e3e3 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #136e81 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

#136e81 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #136e81
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 #136e81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/136e81-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