# #280b0b

A color — warm, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#280b0b`
- RGB: rgb(40, 11, 11)
- HSL: hsl(0, 57%, 10%)
- OKLCH: oklch(0.198 0.049 22.6)
- Relative luminance: 0.0071
- Nearest named color: Italian Roast (#221111, Δ 2.064) — https://brandsweets.com/colors/italian-roast
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/280b0b

## Tints & shades

- Tints (toward white): #4c1515, #701f1f, #902727, #b43131, #cd4747, #d66b6b, #e08f8f, #e9afaf, #f3d3d3, #fdf7f7
- Shades (toward black): #240a0a, #240a0a, #200909, #200909, #1c0808, #180707, #180707, #140505, #140505, #100404

## Harmonies

- Complementary: #0b2828
- Analogous: #280b1a, #281a0b
- Triadic: #0b280b, #0b0b28
- Split-complementary: #0b281a, #0b1a28
- Tetradic: #1a280b, #0b2828, #1a0b28

## Colors that go with #280b0b

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #280b0b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Puma (https://brandsweets.com/colors/brands/puma-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #280b0b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: GitHub (https://brandsweets.com/colors/brands/github), IBM (https://brandsweets.com/colors/brands/ibm-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #280b0b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Asana (https://brandsweets.com/colors/brands/asana-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #280b0b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #280b0b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #280b0b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Saffron (https://brandsweets.com/palettes/warm#saffron), Gusto (https://brandsweets.com/colors/brands/gusto-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #280b0b in 18 real palettes, including Heatwave and Ember, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Ember (https://brandsweets.com/palettes/bold#ember), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 22 real palettes, including CVS's brand system and Warp's brand system put Blue beside #280b0b, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Warp (https://brandsweets.com/colors/brands/warp-dev), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 18.37:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #cd4747 (4.59:1); AA: background → #808080 (4.65:1); AAA: text → #db7b7b (7.13:1); AAA: background → #a1a1a1 (7.11:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/280b0b-c4a19c-62cb98-2d251f-f1e9ed?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#280b0b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.