Color

#1b1a28

#1b1a28
hex#1b1a28
rgbrgb(27, 26, 40)
hslhsl(244, 21%, 13%)
oklchoklch(0.226 0.027 287.3)
Closest name: Night Demons (#201b20)Relative luminance 0.0113

Tints & shades

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

Harmonies

Complementary

Open in tool →

#27281a

#1a2028 · #221a28

#281b1a · #1a281b

Split-complementary

Open in tool →

#28221a · #20281a

#281a20 · #27281a · #1a2822

Contrast

#1b1a28 as textRatioAAAA largeAAAFix
Aaon white
17.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #7471a2 as the text (4.63:1)
  • AAA: use #9693b8 as the text (7.16:1)
  • AA: or shift the background to #858585 (4.65:1)
  • AAA: or shift the background to #a6a6a6 (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 #1b1a28 as the background.

Brands using this color

Fonts for this mood

#1b1a28 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b1a28
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 #1b1a28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b1a28-a39cc4-dfa24e-261f2d-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