Color

#0b7ecb

#0b7ecb
hex#0b7ecb
rgbrgb(11, 126, 203)
hslhsl(204, 90%, 42%)
oklchoklch(0.577 0.148 246.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.193

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb580b

#0bcbb8 · #0b1ecb

#cb0b7e · #7ecb0b

Split-complementary

Open in tool →

#cb0b1e · #cbb80b

#b80bcb · #cb580b · #1ecb0b

Contrast

#0b7ecb as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #0a78c2 as the text (4.69:1)
  • AAA: use #085a91 as the text (7.29:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail
  • AAA: use #169bf3 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b7ecb as the background.

Brands using this color

Fonts for this mood

#0b7ecb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b7ecb
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 #0b7ecb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b7ecb-9cafc4-df4e5a-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