Color

#001b42

#001b42
hex#001b42
rgbrgb(0, 27, 66)
hslhsl(215, 100%, 13%)
oklchoklch(0.23 0.082 257)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0118

Tints & shades

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

Harmonies

Complementary

Open in tool →

#422700

#003d42 · #060042

#42001c · #1c4200

Split-complementary

Open in tool →

#420600 · #3d4200

#42003d · #422700 · #004206

Contrast

#001b42 as textRatioAAAA largeAAAFix
Aaon white
17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #006aff as the text (4.51:1)
  • AAA: use #4d97ff as the text (7.19:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #001b42 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

#001b42 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001b42
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 #001b42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001b42-9ca8c4-df5d4e-201f2d-e9f0f1?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