Color

#003847

#003847
hex#003847
rgbrgb(0, 56, 71)
hslhsl(193, 100%, 14%)
oklchoklch(0.316 0.058 222.2)
Closest name: Nordic Noir (#003344)Relative luminance 0.0328

Tints & shades

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

Harmonies

Complementary

Open in tool →

#470f00

#004733 · #001447

#470038 · #384700

Split-complementary

Open in tool →

#470014 · #473300

#330047 · #470f00 · #144700

Contrast

#003847 as textRatioAAAA largeAAAFix
Aaon white
12.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #0080a3 as the text (4.62:1)
  • AAA: use #00a4d1 as the text (7.23:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (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 #003847 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

#003847 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003847
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 #003847 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003847-a2b5be-df4e75-1f242d-e9f1ef?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