Color

#03063a

#03063a
hex#03063a
rgbrgb(3, 6, 58)
hslhsl(237, 90%, 12%)
oklchoklch(0.175 0.097 267.6)
Closest name: Oblivion (#000435)Relative luminance 0.0046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a3703

#03213a · #1c033a

#3a0306 · #063a03

Split-complementary

Open in tool →

#3a1c03 · #213a03

#3a0321 · #3a3703 · #033a1c

Contrast

#03063a as textRatioAAAA largeAAAFix
Aaon white
19.25:1passpasspassPasses AAA — no fix needed.
Aaon black
1.09:1failfailfail
  • AA: use #5a62f6 as the text (4.51:1)
  • AAA: use #868cf9 as the text (7.13:1)
  • AA: or shift the background to #7d7d7d (4.68:1)
  • AAA: or shift the background to #9c9c9c (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03063a 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

#03063a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03063a
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 #03063a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03063a-9f9cc4-df924e-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