Color

#00384c

#00384c
hex#00384c
rgbrgb(0, 56, 76)
hslhsl(196, 100%, 15%)
oklchoklch(0.319 0.063 229.3)
Closest name: Nordic Noir (#003344)Relative luminance 0.0335

Colors that go with #00384c

Crimson, Royal Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d1400

#004d3b · #00124d

#4d0038 · #384d00

Split-complementary

Open in tool →

#4d0012 · #4d3b00

#3b004d · #4d1400 · #124d00

Contrast

#00384c as textRatioAAAA largeAAAFix
Aaon white
12.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #007fad as the text (4.64:1)
  • AAA: use #00a1db as the text (7.12:1)
  • AA: or shift the background to #9c9c9c (4.58:1)
  • AAA: or shift the background to #c2c2c2 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00384c as the background.

Brands using this color

Fonts for this mood

#00384c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00384c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #00384c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00384c-9cb5c4-df4e6e-1f232d-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