Color

#1c033f

#1c033f
hex#1c033f
rgbrgb(28, 3, 63)
hslhsl(265, 91%, 13%)
oklchoklch(0.202 0.103 294.4)
Closest name: Your Darkness (#220044)Relative luminance 0.0067

Colors that go with #1c033f

Charcoal, 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 →

#263f03

#03083f · #3a033f

#3f1c03 · #033f1c

Split-complementary

Open in tool →

#3f3a03 · #083f03

#3f0308 · #263f03 · #033f3a

Contrast

#1c033f as textRatioAAAA largeAAAFix
Aaon white
18.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #924bf7 as the text (4.57:1)
  • AAA: use #b07bf9 as the text (7.05:1)
  • AA: or shift the background to #808080 (4.69:1)
  • AAA: or shift the background to #a1a1a1 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c033f 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

#1c033f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c033f
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 #1c033f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c033f-b19cc4-dfd54e-2b1f2d-e9eaf1?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