Color

#0b004d

#0b004d
hex#0b004d
rgbrgb(11, 0, 77)
hslhsl(249, 100%, 15%)
oklchoklch(0.198 0.127 272.8)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0061

Tints & shades

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

Harmonies

Complementary

Open in tool →

#414d00

#001b4d · #32004d

#4d0b00 · #004d0b

Split-complementary

Open in tool →

#4d3200 · #1b4d00

#4d001b · #414d00 · #004d32

Contrast

#0b004d as textRatioAAAA largeAAAFix
Aaon white
18.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #745cff as the text (4.72:1)
  • AAA: use #9785ff as the text (7.11:1)
  • AA: or shift the background to #7d7d7d (4.55:1)
  • AAA: or shift the background to #a1a1a1 (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b004d as the background.

Brands using this color

Fonts for this mood

#0b004d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b004d
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 #0b004d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b004d-a79cc4-dfae4e-271f2d-e9ecf1?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