Color

#001d3d

#001d3d
hex#001d3d
rgbrgb(0, 29, 61)
hslhsl(211, 100%, 12%)
oklchoklch(0.231 0.071 252.9)
Closest name: Midnight Mirage (#001f3f)Relative luminance 0.0122

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d2000

#003c3d · #01003d

#3d001e · #1e3d00

Split-complementary

Open in tool →

#3d0100 · #3c3d00

#3d003c · #3d2000 · #003d01

Contrast

#001d3d as textRatioAAAA largeAAAFix
Aaon white
16.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #0071eb as the text (4.56:1)
  • AAA: use #3898ff as the text (7.1:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #001d3d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#001d3d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001d3d
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 #001d3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001d3d-9cabc4-df534e-1f202d-e9f1f1?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