Color

#1c1957

#1c1957
hex#1c1957
rgbrgb(28, 25, 87)
hslhsl(243, 55%, 22%)
oklchoklch(0.263 0.108 278.1)
Closest name: Dark Soul (#112255)Relative luminance 0.0163

Colors that go with #1c1957

Steel Blue, Cadet Blue and Charcoal 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 →

#545719

#193557 · #3b1957

#571c19 · #19571c

Split-complementary

Open in tool →

#573b19 · #355719

#571935 · #545719 · #19573b

Contrast

#1c1957 as textRatioAAAA largeAAAFix
Aaon white
15.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #6e69d3 as the text (4.62:1)
  • AAA: use #9490df as the text (7.31:1)
  • AA: or shift the background to #8a8a8a (4.59:1)
  • AAA: or shift the background to #adadad (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c1957 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

#1c1957 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c1957
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 #1c1957 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c1957-a39cc4-dfa04e-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