Color

#152b33

#152b33
hex#152b33
rgbrgb(21, 43, 51)
hslhsl(196, 42%, 14%)
oklchoklch(0.275 0.032 223.6)
Closest name: Black Box (#0f282f)Relative luminance 0.0213

Tints & shades

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

Harmonies

Complementary

Open in tool →

#331d15

#15332c · #151c33

#33152b · #2b3315

Split-complementary

Open in tool →

#33151c · #332c15

#2c1533 · #331d15 · #1c3315

Contrast

#152b33 as textRatioAAAA largeAAAFix
Aaon white
14.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #3d7d94 as the text (4.56:1)
  • AAA: use #559fb9 as the text (7.05:1)
  • AA: or shift the background to #8f8f8f (4.56:1)
  • AAA: or shift the background to #b3b3b3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152b33 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#152b33 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152b33
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 #152b33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152b33-9cb5c4-df4e6e-1f232d-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