Color

#451f70

#451f70
hex#451f70
rgbrgb(69, 31, 112)
hslhsl(268, 57%, 28%)
oklchoklch(0.34 0.133 301)
Closest name: Fading Horizon (#442266)Relative luminance 0.0342

Colors that go with #451f70

Royal Blue, 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 →

#4a701f

#1f2170 · #6d1f70

#70451f · #1f7045

Split-complementary

Open in tool →

#706d1f · #21701f

#701f21 · #4a701f · #1f706d

Contrast

#451f70 as textRatioAAAA largeAAAFix
Aaon white
12.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.68:1failfailfail
  • AA: use #925bd2 as the text (4.65:1)
  • AAA: use #ad83dd as the text (7.07:1)
  • AA: or shift the background to #9c9c9c (4.54:1)
  • AAA: or shift the background to #c2c2c2 (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 #451f70 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

#451f70 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451f70
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 #451f70 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451f70-b39cc4-dfdc4e-2c1f2d-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