Color

#0bcbcb

#0bcbcb
hex#0bcbcb
rgbrgb(11, 203, 203)
hslhsl(180, 90%, 42%)
oklchoklch(0.763 0.129 194.8)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4709

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb0b0b

#0bcb6b · #0b6bcb

#cb0bcb · #cbcb0b

Split-complementary

Open in tool →

#cb0b6b · #cb6b0b

#6b0bcb · #cb0b0b · #6bcb0b

Contrast

#0bcbcb as textRatioAAAA largeAAAFix
Aaon white
2.02:1failfailfail
  • AA: use #078383 as the text (4.58:1)
  • AAA: use #056161 as the text (7.27:1)
  • AA: or shift the background to #474747 (4.61:1)
  • AAA: or shift the background to #2b2b2b (7.02:1)
Aaon black
10.42:1passpasspassPasses 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 #0bcbcb 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

#0bcbcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0bcbcb
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 #0bcbcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bcbcb-a2bbbe-d45994-1f272d-e9f1ed?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