Color

#150340

#150340
hex#150340
rgbrgb(21, 3, 64)
hslhsl(258, 91%, 13%)
oklchoklch(0.194 0.105 285.9)
Closest name: Quiet Abyss (#160435)Relative luminance 0.0059

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d3f03

#030f3f · #33033f

#3f1503 · #033f15

Split-complementary

Open in tool →

#3f3303 · #0f3f03

#3f030f · #2d3f03 · #033f33

Contrast

#150340 as textRatioAAAA largeAAAFix
Aaon white
18.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #8555f7 as the text (4.64:1)
  • AAA: use #a580f9 as the text (7.06:1)
  • AA: or shift the background to #7d7d7d (4.56:1)
  • AAA: or shift the background to #9e9e9e (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #150340 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

#150340 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #150340
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 #150340 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/150340-ad9cc4-dfc44e-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