Color

#0b00d6

#0b00d6
hex#0b00d6
rgbrgb(11, 0, 214)
hslhsl(243, 100%, 42%)
oklchoklch(0.398 0.273 265.1)
Closest name: mediumblue (#0000cd)Relative luminance 0.0493

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cbd600

#0060d6 · #7600d6

#d60b00 · #00d60b

Split-complementary

Open in tool →

#d67600 · #60d600

#d60060 · #cbd600 · #00d676

Contrast

#0b00d6 as textRatioAAAA largeAAAFix
Aaon white
10.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #645cff as the text (4.52:1)
  • AAA: use #908aff as the text (7.27:1)
  • AA: or shift the background to #ababab (4.61:1)
  • AAA: or shift the background to #d4d4d4 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b00d6 as the background.

Brands using this color

Fonts for this mood

#0b00d6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b00d6
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 #0b00d6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b00d6-a39cc4-dfa04e-261f2d-e9edf1?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