Color

#00003d

#00003d
hex#00003d
rgbrgb(0, 0, 61)
hslhsl(240, 100%, 12%)
oklchoklch(0.163 0.113 264.1)
Closest name: Endless Galaxy (#000044)Relative luminance 0.0034

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d3d00

#001f3d · #1f003d

#3d0000 · #003d00

Split-complementary

Open in tool →

#3d1f00 · #1f3d00

#3d001f · #3d3d00 · #003d1f

Contrast

#00003d as textRatioAAAA largeAAAFix
Aaon white
19.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #6161ff as the text (4.66:1)
  • AAA: use #8a8aff as the text (7.16:1)
  • AA: or shift the background to #7a7a7a (4.58:1)
  • AAA: or shift the background to #9c9c9c (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00003d 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

#00003d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00003d
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 #00003d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00003d-a19cc4-df994e-251f2d-e9edf1?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