# #280b18

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

## Values

- Hex: `#280b18`
- RGB: rgb(40, 11, 24)
- HSL: hsl(333, 57%, 10%)
- OKLCH: oklch(0.203 0.052 354.7)
- Relative luminance: 0.0076
- Nearest named color: Shot in the Dark (#1d0d1d, Δ 2.797) — https://brandsweets.com/colors/shot-in-the-dark
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/280b18

## Tints & shades

- Tints (toward white): #4c152e, #701f43, #902757, #b4316c, #cd4783, #d66b9b, #e08fb4, #e9afc9, #f3d3e1, #fdf7fa
- Shades (toward black): #240a16, #240a16, #200913, #200913, #1c0811, #18070e, #18070e, #14050c, #14050c, #10040a

## Harmonies

- Complementary: #0b281b
- Analogous: #280b27, #280c0b
- Triadic: #18280b, #0b1828
- Split-complementary: #0b280c, #0b2728
- Tetradic: #27280b, #0b281b, #0c0b28

## Colors that go with #280b18

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 #280b18: 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), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [harmony, pool: triadic] — Dark Olive Green completes a triad with #280b18 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Cohere (https://brandsweets.com/colors/brands/cohere-com), Miro (https://brandsweets.com/colors/brands/miro-com). — https://brandsweets.com/colors/darkolivegreen
- **Rust** #b7410e [harmony, pool: analogous] — Rust is #280b18's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Garnet (https://brandsweets.com/palettes/warm#garnet), Gallery (https://brandsweets.com/palettes/editorial#gallery), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/rust
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #280b18: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #280b18 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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 #280b18 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), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #280b18 in 18 real palettes, including Heatwave and Lemon Squeezy's brand system, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 22 real palettes, including Warp's brand system and CVS's brand system put Blue beside #280b18, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), CVS (https://brandsweets.com/colors/brands/cvs-com), Signal (https://brandsweets.com/colors/brands/signal-org), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 18.24:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ca3f7e (4.52:1); AA: background → #808080 (4.62:1); AAA: text → #da77a3 (7.15:1); AAA: background → #a1a1a1 (7.06:1)

## 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/280b18-c49ca9-62cb69-2d1f20-f1e9f0?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: "#280b18" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.