Color

#23283e

#23283e
hex#23283e
rgbrgb(35, 40, 62)
hslhsl(229, 28%, 19%)
oklchoklch(0.283 0.041 273.7)
Closest name: Midnight Express (#21263a)Relative luminance 0.0222

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e3923

#23353e · #2b233e

#3e2328 · #283e23

Split-complementary

Open in tool →

#3e2b23 · #353e23

#3e2335 · #3e3923 · #233e2b

Contrast

#23283e as textRatioAAAA largeAAAFix
Aaon white
14.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #6672a9 as the text (4.54:1)
  • AAA: use #8d96bf as the text (7.25:1)
  • AA: or shift the background to #919191 (4.61:1)
  • AAA: or shift the background to #b5b5b5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23283e 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

#23283e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23283e
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 #23283e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23283e-9c9fc4-df7e4e-231f2d-e9eef1?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