Color

#150d35

#150d35
hex#150d35
rgbrgb(21, 13, 53)
hslhsl(252, 61%, 13%)
oklchoklch(0.199 0.075 286.7)
Closest name: Midnight Monarch (#1c0f33)Relative luminance 0.007

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d350d

#0d1935 · #290d35

#35150d · #0d3515

Split-complementary

Open in tool →

#35290d · #19350d

#350d19 · #2d350d · #0d3529

Contrast

#150d35 as textRatioAAAA largeAAAFix
Aaon white
18.41:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #7b63d9 as the text (4.63:1)
  • AAA: use #9d8ce3 as the text (7.29:1)
  • AA: or shift the background to #808080 (4.66:1)
  • AAA: or shift the background to #a1a1a1 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150d35 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

#150d35 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150d35
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 #150d35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150d35-a99cc4-dfb64e-281f2d-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