Color

#03013c

#03013c
hex#03013c
rgbrgb(3, 1, 60)
hslhsl(242, 97%, 12%)
oklchoklch(0.167 0.108 268.2)
Closest name: Oblivion (#000435)Relative luminance 0.0037

Colors that go with #03013c

Blue Violet, Charcoal and Crimson 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 →

#3a3c01

#011d3c · #21013c

#3c0301 · #013c03

Split-complementary

Open in tool →

#3c2101 · #1d3c01

#3c011d · #3a3c01 · #013c21

Contrast

#03013c as textRatioAAAA largeAAAFix
Aaon white
19.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #645efd as the text (4.56:1)
  • AAA: use #8f8bfd as the text (7.28:1)
  • AA: or shift the background to #7a7a7a (4.56:1)
  • AAA: or shift the background to #9c9c9c (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03013c 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

#03013c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03013c
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 #03013c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03013c-a29cc4-df9e4e-261f2d-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