Color

#0b136a

#0b136a
hex#0b136a
rgbrgb(11, 19, 106)
hslhsl(235, 81%, 23%)
oklchoklch(0.264 0.146 267.9)
Closest name: Dying Storm Blue (#111166)Relative luminance 0.0158

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a620b

#0b436a · #330b6a

#6a0b13 · #136a0b

Split-complementary

Open in tool →

#6a330b · #436a0b

#6a0b43 · #6a620b · #0b6a33

Contrast

#0b136a as textRatioAAAA largeAAAFix
Aaon white
15.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #5965ee as the text (4.52:1)
  • AAA: use #8790f2 as the text (7.3:1)
  • AA: or shift the background to #8a8a8a (4.62:1)
  • AAA: or shift the background to #adadad (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b136a 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

#0b136a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b136a
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 #0b136a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b136a-9e9cc4-df8d4e-241f2d-e9eef1?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