Color

#15043f

#15043f
hex#15043f
rgbrgb(21, 4, 63)
hslhsl(257, 88%, 13%)
oklchoklch(0.195 0.102 286)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0061

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2e3e04

#04113e · #32043e

#3e1504 · #043e15

Split-complementary

Open in tool →

#3e3204 · #113e04

#3e0411 · #2e3e04 · #043e32

Contrast

#15043f as textRatioAAAA largeAAAFix
Aaon white
18.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #8457f4 as the text (4.65:1)
  • AAA: use #a382f7 as the text (7.09:1)
  • AA: or shift the background to #7d7d7d (4.55:1)
  • AAA: or shift the background to #a1a1a1 (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15043f 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

#15043f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15043f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #15043f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15043f-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