Color

#15053e

#15053e
hex#15053e
rgbrgb(21, 5, 62)
hslhsl(257, 85%, 13%)
oklchoklch(0.195 0.099 286.2)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0062

Colors that go with #15053e

Charcoal, Royal Blue and Sea Green 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 →

#2d3d05

#05113d · #31053d

#3d1505 · #053d15

Split-complementary

Open in tool →

#3d3105 · #113d05

#3d0511 · #2d3d05 · #053d31

Contrast

#15053e as textRatioAAAA largeAAAFix
Aaon white
18.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #8155f1 as the text (4.5:1)
  • AAA: use #a484f5 as the text (7.2:1)
  • AA: or shift the background to #7d7d7d (4.54:1)
  • AAA: or shift the background to #a1a1a1 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15053e as the background.

Brands using this color

Fonts for this mood

#15053e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15053e
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 #15053e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15053e-ac9cc4-dfc24e-291f2d-e9ebf1?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