# #1d1a01

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

## Values

- Hex: `#1d1a01`
- RGB: rgb(29, 26, 1)
- HSL: hsl(54, 93%, 6%)
- OKLCH: oklch(0.215 0.043 103.3)
- Relative luminance: 0.01
- Nearest named color: Noir Mystique (#1f180a, Δ 2.011) — https://brandsweets.com/colors/noir-mystique
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/1d1a01

## Tints & shades

- Tints (toward white): #4a4303, #766b04, #a79706, #d4bf08, #f6e013, #f8e63f, #faeb6b, #fbf29d, #fdf8c9, #fffef5
- Shades (toward black): #1e1b01, #1e1b01, #191601, #191601, #191601, #191601, #191601, #141201, #141201, #141201

## Harmonies

- Complementary: #01041e
- Analogous: #1e0c01, #121e01
- Triadic: #011e1b, #1b011e
- Split-complementary: #01121e, #0c011e
- Tetradic: #011e0c, #01041e, #1e0112

## Colors that go with #1d1a01

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 #1d1a01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), Puma (https://brandsweets.com/colors/brands/puma-com), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [harmony, pool: split] — Denim is a split-complement of #1d1a01: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Guinness (https://brandsweets.com/colors/brands/guinness-com), Fitbit (https://brandsweets.com/colors/brands/fitbit-com). — https://brandsweets.com/colors/denim
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #1d1a01's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: complementary] — Slate Blue sits directly opposite #1d1a01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: GitLab (https://brandsweets.com/colors/brands/gitlab), Calm (https://brandsweets.com/colors/brands/calm-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Linear (https://brandsweets.com/colors/brands/linear). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #1d1a01 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #1d1a01 in 18 real palettes, including Trailhead and Heatwave, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Maple (https://brandsweets.com/palettes/warm#maple), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including CVS's brand system and Signal's brand system put Blue beside #1d1a01, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Signal (https://brandsweets.com/colors/brands/signal-org), Bumble (https://brandsweets.com/colors/brands/bumble-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #1d1a01 in 10 real palettes, including Yahoo's brand system and ClickUp's brand system, as the supporting colour. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), ClickUp (https://brandsweets.com/colors/brands/clickup-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 17.49:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #857805 (4.69:1); AA: background → #828282 (4.55:1); AAA: text → #a79706 (7.07:1); AAA: background → #a6a6a6 (7.19:1)

## 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/1d1a01-bebea2-4ea2df-292d1f-f1ede9?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: "#1d1a01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.