Color

#0bb8da

#0bb8da
hex#0bb8da
rgbrgb(11, 184, 218)
hslhsl(190, 90%, 45%)
oklchoklch(0.722 0.128 217.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3941

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da2e0b

#0bda95 · #0b50da

#da0bb8 · #b8da0b

Split-complementary

Open in tool →

#da0b50 · #da950b

#950bda · #da2e0b · #50da0b

Contrast

#0bb8da as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #087e96 as the text (4.73:1)
  • AAA: use #065e6f as the text (7.4:1)
  • AA: or shift the background to #3d3d3d (4.59:1)
  • AAA: or shift the background to #1c1c1c (7.21:1)
Aaon black
8.88:1passpasspassPasses 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 #0bb8da as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0bb8da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0bb8da
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 #0bb8da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bb8da-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