Color

#0d1b4e

#0d1b4e
hex#0d1b4e
rgbrgb(13, 27, 78)
hslhsl(227, 71%, 18%)
oklchoklch(0.248 0.096 267.2)
Closest name: Dark Soul (#112255)Relative luminance 0.0142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e400d

#0d3c4e · #200d4e

#4e0d1b · #1b4e0d

Split-complementary

Open in tool →

#4e200d · #3c4e0d

#4e0d3c · #4e400d · #0d4e20

Contrast

#0d1b4e as textRatioAAAA largeAAAFix
Aaon white
16.36:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #4c6ce1 as the text (4.54:1)
  • AAA: use #7c94e9 as the text (7.27:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d1b4e 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

#0d1b4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d1b4e
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 #0d1b4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d1b4e-9ca0c4-df7a4e-221f2d-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