brandsweets

Color

#137daa

#137daa
hex#137daa
rgbrgb(19, 125, 170)
hslhsl(198, 80%, 37%)
oklchoklch(0.556 0.111 233.8)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1771
CoolVividTechnicalModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
137daaaa4013

#aa4013

Analogous

Open in tool →
137daa13aa8c1331aa

#13aa8c · #1331aa

Triadic

Open in tool →
137daaaa137d7daa13

#aa137d · #7daa13

Split-complementary

Open in tool →
137daaaa1331aa8c13

#aa1331 · #aa8c13

Tetradic

Open in tool →
137daa8c13aaaa401331aa13

#8c13aa · #aa4013 · #31aa13

Contrast

#137daa as textRatioAAAA largeAAAFix
Aaon white
4.62:1passpassfail
  • AAA: use #0e5e81 as the text (7.15:1)
Aaon black
4.54:1passpassfail
  • AAA: use #18a2dc as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #137daa as the background.

Brands using this color

Fonts for this mood

#137daa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #137daa
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 #137daa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/137daa-9cb3c4-df4e69-1f232d-e9f1f0?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