# #290b05

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

## Values

- Hex: `#290b05`
- RGB: rgb(41, 11, 5)
- HSL: hsl(10, 78%, 9%)
- OKLCH: oklch(0.199 0.052 34.5)
- Relative luminance: 0.0072
- Nearest named color: Italian Roast (#221111, Δ 2.58) — https://brandsweets.com/colors/italian-roast
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/290b05

## Tints & shades

- Tints (toward white): #52160a, #7b210f, #a32c14, #cc3719, #e54d2e, #ea6c53, #ef8f7b, #f4b1a4, #f9d4cd, #fef7f6
- Shades (toward black): #290b05, #240a04, #240a04, #200904, #200904, #1b0703, #1b0703, #170603, #170603, #120502

## Harmonies

- Complementary: #052329
- Analogous: #290511, #291d05
- Triadic: #05290b, #0b0529
- Split-complementary: #05291d, #051129
- Tetradic: #112905, #052329, #1d0529

## Colors that go with #290b05

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 #290b05: 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), Gusto (https://brandsweets.com/colors/brands/gusto-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #290b05 — 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 #290b05 — 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 #290b05'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 #290b05: 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), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #290b05 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), 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 #290b05 in 18 real palettes, including Heatwave and Maple, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 22 real palettes, including CVS's brand system and Robinhood's brand system put Blue beside #290b05, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com), 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): 18.35:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #da3b1b (4.62:1); AA: background → #808080 (4.65:1); AAA: text → #eb735c (7.14:1); AAA: background → #a1a1a1 (7.1:1)

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/290b05-c4a79c-62cbaa-2d281f-f1e9ec?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: "#290b05" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.