Color

#1b7a9d

#1b7a9d
hex#1b7a9d
rgbrgb(27, 122, 157)
hslhsl(196, 71%, 36%)
oklchoklch(0.543 0.099 228.6)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1659

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d3d1b

#1b9d7f · #1b399d

#9d1b7a · #7a9d1b

Split-complementary

Open in tool →

#9d1b39 · #9d7f1b

#7f1b9d · #9d3d1b · #399d1b

Contrast

#1b7a9d as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #155f7a as the text (7.12:1)
Aaon black
4.32:1failpassfail
  • AA: use #1b7ea1 as the text (4.55:1)
  • AAA: use #23a3d1 as the text (7.23:1)
  • AA: or shift the background to #f7f7f7 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b7a9d 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

#1b7a9d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b7a9d
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 #1b7a9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b7a9d-9cb5c4-df4e6e-1f232d-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