Color

#0b6bcb

#0b6bcb
hex#0b6bcb
rgbrgb(11, 107, 203)
hslhsl(210, 90%, 42%)
oklchoklch(0.533 0.169 254.7)
Closest name: God of Rain (#4466cc)Relative luminance 0.149

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb6b0b

#0bcbcb · #0b0bcb

#cb0b6b · #6bcb0b

Split-complementary

Open in tool →

#cb0b0b · #cbcb0b

#cb0bcb · #cb6b0b · #0bcb0b

Contrast

#0b6bcb as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #0957a5 as the text (7.2:1)
Aaon black
3.98:1failpassfail
  • AA: use #0c75df as the text (4.63:1)
  • AAA: use #3d99f5 as the text (7.07:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b6bcb as the background.

Brands using this color

Fonts for this mood

#0b6bcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b6bcb
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 #0b6bcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b6bcb-9cabc4-df514e-1f202d-e9f1f1?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