Color

#03283f

#03283f
hex#03283f
rgbrgb(3, 40, 63)
hslhsl(203, 91%, 13%)
oklchoklch(0.265 0.059 241.5)
Closest name: Dark Eclipse (#112244)Relative luminance 0.019

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f1a03

#033f38 · #030a3f

#3f0328 · #283f03

Split-complementary

Open in tool →

#3f030a · #3f3803

#38033f · #3f1a03 · #0a3f03

Contrast

#03283f as textRatioAAAA largeAAAFix
Aaon white
15.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #097cc3 as the text (4.68:1)
  • AAA: use #0b9bf4 as the text (7.01:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03283f 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

#03283f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03283f
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 #03283f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03283f-9cb0c4-df4e5d-1f222d-e9f1f0?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