Fresh Juice
Open in tool →Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.
Color
#1f2129
#1f2129
hex
#1f2129rgb
rgb(31, 33, 41)hsl
hsl(228, 14%, 14%)oklch
oklch(0.249 0.015 274.2)Closest name: Dark (#1b2431)Relative luminance 0.0154
Colors that go with #1f2129
Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black that reads cleanly against #1f2129 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #1f2129 in 18 real palettes, including Wikipedia's brand system and Google's brand system, as the accent.
Blue #0000ff
shipped23 real palettes, including Rolex's brand system and Bumble's brand system put Blue beside #1f2129, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #1f2129 in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped6 real palettes, including Graphite Mono and Estate put Blush Pink beside #1f2129, as the accent.
Brown #a52a2a
shipped5 real palettes, including Woodsmoke and Typewriter put Brown beside #1f2129, as the accent.
Burgundy #800020
shipped4 real palettes, including Qatar Airways's brand system and Mailchimp's brand system put Burgundy beside #1f2129, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #1f2129 in 6 real palettes, including Kiln and Chalkboard, as the accent.
Real palettes that use #1f2129
Tints & shades
Harmonies
Contrast
| #1f2129 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.06:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.31:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f2129 as the background.
Brands using this color
- Qatar Airwaysprimary · #1f212b · Δ0.39
- Qatar Airwaystext · #1f212b · Δ0.39
- AT&Tprimary · #1d2329 · Δ0.763
- AT&Ttext · #1d2329 · Δ0.763
- GitHubtext · #1f2328 · Δ0.805
- Wikipediaprimary · #202122 · Δ1.349
- Wikipediatext · #202122 · Δ1.349
- Subarutext · #1d252c · Δ1.361
- NFLaccent · #172029 · Δ1.438
- 7-Elevenprimary · #212529 · Δ1.521
- 7-Eleventext · #212529 · Δ1.521
- AMDprimary · #212529 · Δ1.521
- AMDtext · #212529 · Δ1.521
- Boeingtext · #212529 · Δ1.521
- Calvin Kleinprimary · #212529 · Δ1.521
- Calvin Kleintext · #212529 · Δ1.521
- Datadogtext · #212529 · Δ1.521
- Tommy Hilfigerprimary · #212529 · Δ1.521
- Tommy Hilfigertext · #212529 · Δ1.521
- Trader Joe'sprimary · #212529 · Δ1.521
- Trader Joe'stext · #212529 · Δ1.521
- Coheretext · #212121 · Δ1.551
- Postmantext · #212121 · Δ1.551
- Rolextext · #212121 · Δ1.551
- SoFiprimary · #212121 · Δ1.551
- SoFitext · #212121 · Δ1.551
- Acertext · #222222 · Δ1.569
- Airbnbtext · #222222 · Δ1.569
- AliExpressprimary · #222222 · Δ1.569
- AliExpresstext · #222222 · Δ1.569
- Nikonprimary · #222222 · Δ1.569
- Nikontext · #222222 · Δ1.569
- Bumbleprimary · #202020 · Δ1.645
- Bumbletext · #202020 · Δ1.645
- ClickUptext · #202020 · Δ1.645
- Lamborghiniprimary · #202020 · Δ1.645
- Lamborghinitext · #202020 · Δ1.645
- WhatsAppprimary · #1c1e21 · Δ1.77
- WhatsApptext · #1c1e21 · Δ1.77
- Zedtext · #242529 · Δ1.772
- GitLabtext · #1f1f1f · Δ1.835
- Googletext · #1f1f1f · Δ1.835
- HubSpottext · #1f1f1f · Δ1.835
- Revoluttext · #1f1f1f · Δ1.835
- Nokiatext · #1d1e20 · Δ1.839
- Allbirdsprimary · #241c24 · Δ1.84
- Appleprimary · #221e1f · Δ1.878
- Formula 1text · #1c1c25 · Δ1.898
- Retoolprimary · #242424 · Δ1.903
- Boxtext · #151f26 · Δ1.98
Palettes built around it
Alpine
Open in tool →Glacier blue with a safety-orange accent: technical outdoor gear, not lifestyle.
Crayon Box
Open in tool →Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups.
Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Pastel Pop
Open in tool →Pastels pushed to the saturated end — pink, sky and lemon — for brands that want soft AND loud.
Tide Pool
Open in tool →Sea-green and slate with a coral — a literal tide pool: two cool tones, one warm creature.
Graphite Mono
Open in tool →Five greys, no hue — the true monochrome; the accent is a lighter grey, so hierarchy comes from weight and size alone.
Fonts for this mood
#1f2129 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #1f2129
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #1f2129 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/1f2129-9c9fc4-df7c4e-231f2d-e9eff1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md