Color

#03282b

#03282b
hex#03282b
rgbrgb(3, 40, 43)
hslhsl(185, 87%, 9%)
oklchoklch(0.253 0.041 203)
Closest name: Black Box (#0f282f)Relative luminance 0.0171

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b0603

#032b1a · #03142b

#2b0328 · #282b03

Split-complementary

Open in tool →

#2b0314 · #2b1a03

#1a032b · #2b0603 · #142b03

Contrast

#03282b as textRatioAAAA largeAAAFix
Aaon white
15.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #0a848f as the text (4.71:1)
  • AAA: use #0da7b5 as the text (7.21:1)
  • AA: or shift the background to #8a8a8a (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03282b 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

#03282b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03282b
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 #03282b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03282b-a2b8be-df4e88-1f262d-e9f1ee?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