Color

#002b99

#002b99
hex#002b99
rgbrgb(0, 43, 153)
hslhsl(223, 100%, 30%)
oklchoklch(0.356 0.182 263.2)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0403

Tints & shades

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

Harmonies

Complementary

Open in tool →

#996e00

#007899 · #210099

#99002b · #2b9900

Split-complementary

Open in tool →

#992100 · #789900

#990078 · #996e00 · #009921

Contrast

#002b99 as textRatioAAAA largeAAAFix
Aaon white
11.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #2e69ff as the text (4.58:1)
  • AAA: use #6691ff as the text (7.06:1)
  • AA: or shift the background to #a1a1a1 (4.5:1)
  • AAA: or shift the background to #c9c9c9 (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 #002b99 as the background.

Brands using this color

Fonts for this mood

#002b99 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #002b99
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 #002b99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/002b99-9ca3c4-df704e-211f2d-e9eff1?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