Color

#152b41

#152b41
hex#152b41
rgbrgb(21, 43, 65)
hslhsl(210, 51%, 17%)
oklchoklch(0.283 0.05 250)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0227

Tints & shades

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

Harmonies

Complementary

Open in tool →

#412b15

#154141 · #151541

#41152b · #2b4115

Split-complementary

Open in tool →

#411515 · #414115

#411541 · #412b15 · #154115

Contrast

#152b41 as textRatioAAAA largeAAAFix
Aaon white
14.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #3b78b5 as the text (4.54:1)
  • AAA: use #699cce as the text (7.25:1)
  • 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 #152b41 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

#152b41 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #152b41
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 #152b41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152b41-9cabc4-df514e-1f202d-e9f1f1?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