Color

#242538

#242538
hex#242538
rgbrgb(36, 37, 56)
hslhsl(237, 22%, 18%)
oklchoklch(0.273 0.035 281.5)
Closest name: Midnight Express (#21263a)Relative luminance 0.0198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#383724

#242f38 · #2d2438

#382425 · #253824

Split-complementary

Open in tool →

#382d24 · #2f3824

#38242f · #383724 · #24382d

Contrast

#242538 as textRatioAAAA largeAAAFix
Aaon white
15.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #7072a4 as the text (4.63:1)
  • AAA: use #9294b9 as the text (7.16:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #242538 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

#242538 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #242538
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 #242538 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/242538-9f9cc4-df924e-251f2d-e9edf1?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