Color

#1a212e

#1a212e
hex#1a212e
rgbrgb(26, 33, 46)
hslhsl(219, 28%, 14%)
oklchoklch(0.247 0.027 262.6)
Closest name: Dark (#1b2431)Relative luminance 0.015

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e271a

#1a2b2e · #1d1a2e

#2e1a21 · #212e1a

Split-complementary

Open in tool →

#2e1d1a · #2b2e1a

#2e1a2b · #2e271a · #1a2e1d

Contrast

#1a212e as textRatioAAAA largeAAAFix
Aaon white
16.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #5c75a3 as the text (4.53:1)
  • AAA: use #8396b9 as the text (7.03:1)
  • AA: or shift the background to #8a8a8a (4.68:1)
  • AAA: or shift the background to #ababab (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 #1a212e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1a212e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a212e
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 #1a212e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a212e-9ca5c4-df664e-211f2d-e9f0f1?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