Color

#152d33

#152d33
hex#152d33
rgbrgb(21, 45, 51)
hslhsl(192, 42%, 14%)
oklchoklch(0.28 0.032 215.8)
Closest name: Black Box (#0f282f)Relative luminance 0.0228

Tints & shades

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

Harmonies

Complementary

Open in tool →

#331b15

#15332a · #151e33

#33152d · #2d3315

Split-complementary

Open in tool →

#33151e · #332a15

#2a1533 · #331b15 · #1e3315

Contrast

#152d33 as textRatioAAAA largeAAAFix
Aaon white
14.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #3b8091 as the text (4.68:1)
  • AAA: use #4ea2b7 as the text (7.18:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152d33 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

#152d33 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152d33
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 #152d33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152d33-a2b5be-df4e77-1f242d-e9f1ef?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