Color

#15112c

#15112c
hex#15112c
rgbrgb(21, 17, 44)
hslhsl(249, 44%, 12%)
oklchoklch(0.199 0.052 287.5)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.0074

Tints & shades

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

Harmonies

Complementary

Open in tool →

#282c11

#111b2c · #23112c

#2c1511 · #112c15

Split-complementary

Open in tool →

#2c2311 · #1b2c11

#2c111b · #282c11 · #112c23

Contrast

#15112c as textRatioAAAA largeAAAFix
Aaon white
18.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #7668c4 as the text (4.55:1)
  • AAA: use #988dd3 as the text (7.09:1)
  • AA: or shift the background to #808080 (4.63:1)
  • AAA: or shift the background to #a1a1a1 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #15112c as the background.

Brands using this color

Fonts for this mood

#15112c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15112c
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 #15112c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15112c-a79cc4-dfae4e-271f2d-e9ecf1?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