Color

#15083a

#15083a
hex#15083a
rgbrgb(21, 8, 58)
hslhsl(256, 76%, 13%)
oklchoklch(0.195 0.089 286.9)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0064

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d3a08

#08143a · #2f083a

#3a1508 · #083a15

Split-complementary

Open in tool →

#3a2f08 · #143a08

#3a0814 · #2d3a08 · #083a2f

Contrast

#15083a as textRatioAAAA largeAAAFix
Aaon white
18.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.13:1failfailfail
  • AA: use #835de9 as the text (4.71:1)
  • AAA: use #a286ee as the text (7.18:1)
  • AA: or shift the background to #7d7d7d (4.52:1)
  • AAA: or shift the background to #a1a1a1 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15083a 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

#15083a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15083a
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 #15083a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15083a-ab9cc4-dfbf4e-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