Color

#0b8bda

#0b8bda
hex#0b8bda
rgbrgb(11, 139, 218)
hslhsl(203, 90%, 45%)
oklchoklch(0.616 0.153 245.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.236

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da5b0b

#0bdac2 · #0b24da

#da0b8b · #8bda0b

Split-complementary

Open in tool →

#da0b24 · #dac20b

#c20bda · #da5b0b · #24da0b

Contrast

#0b8bda as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #0a7bc2 as the text (4.54:1)
  • AAA: use #085d91 as the text (7.04:1)
  • AA: or shift the background to #1c1c1c (4.64:1)
Aaon black
5.72:1passpassfail
  • AAA: use #129cf3 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b8bda 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

#0b8bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b8bda
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 #0b8bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b8bda-9cb0c4-df4e5d-1f222d-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