Color

#1ba3bb

#1ba3bb
hex#1ba3bb
rgbrgb(27, 163, 187)
hslhsl(189, 75%, 42%)
oklchoklch(0.659 0.111 213.7)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.3002

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb331b

#1bbb83 · #1b53bb

#bb1ba3 · #a3bb1b

Split-complementary

Open in tool →

#bb1b53 · #bb831b

#831bbb · #bb331b · #53bb1b

Contrast

#1ba3bb as textRatioAAAA largeAAAFix
Aaon white
3:1failfailfail
  • AA: use #158093 as the text (4.62:1)
  • AAA: use #106170 as the text (7.08:1)
  • AA: or shift the background to #2e2e2e (4.53:1)
  • AAA: or shift the background to #000000 (7:1)
Aaon black
7:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1ba3bb 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

#1ba3bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1ba3bb
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 #1ba3bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ba3bb-a2b7be-df4e7e-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