# #1a291d

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

## Values

- Hex: `#1a291d`
- RGB: rgb(26, 41, 29)
- HSL: hsl(132, 22%, 13%)
- OKLCH: oklch(0.263 0.03 150.1)
- Relative luminance: 0.0189
- Nearest named color: Underworld (#1e231c, Δ 2.178) — https://brandsweets.com/colors/underworld
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/1a291d

## Tints & shades

- Tints (toward white): #2c4431, #3c5d42, #4e7956, #5d9268, #76a780, #8fb797, #abc9b1, #c4d9c8, #e0ebe2, #f9fbf9
- Shades (toward black): #18251b, #162218, #141f16, #121c14, #121c14, #101912, #0e160f, #0c130d, #0a100b, #080c09

## Harmonies

- Complementary: #281a26
- Analogous: #1e281a, #1a2824
- Triadic: #1d1a28, #281d1a
- Split-complementary: #241a28, #281a1e
- Tetradic: #1a1e28, #281a26, #28241a

## Colors that go with #1a291d

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 text near-black for #1a291d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Boeing (https://brandsweets.com/colors/brands/boeing-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [harmony, pool: analogous] — Dark Olive Green is #1a291d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/darkolivegreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #1a291d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: split] — Slate Blue is a split-complement of #1a291d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #1a291d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Rose Gold** #b76e79 [harmony, pool: complementary] — Rose Gold sits directly opposite #1a291d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/rose-gold
- **Amber** #ffbf00 [pool] — Amber is paired with #1a291d in 18 real palettes, including Wikipedia's brand system and McDonald's's brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Google (https://brandsweets.com/colors/brands/google-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Readymag's brand system and Rolex's brand system put Blue beside #1a291d, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 15.23:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #52805b (4.6:1); AA: background → #8c8c8c (4.53:1); AAA: text → #6da277 (7.08:1); AAA: background → #b0b0b0 (7.02:1)

## Curated palettes containing it

- **Chalkboard** (dark, muted, warm) — #e8c170, #a8b5a0, #f28e6b, #1f2a24, #f1ede4 — Slate green with chalk cream and a coral — nostalgic without being twee. — tool: https://brandsweets.com/palettes/new/e8c170-a8b5a0-f28e6b-1f2a24-f1ede4 — collection: https://brandsweets.com/palettes/dark
- **Forest Floor** (dark, muted, warm) — #8fae6a, #6b7a5a, #d9a05b, #1b2419, #e9e6dc — Moss and bark with a mushroom-cap amber — grounded and quiet, made for long-form nature content. — tool: https://brandsweets.com/palettes/new/8fae6a-6b7a5a-d9a05b-1b2419-e9e6dc — collection: https://brandsweets.com/palettes/dark
- **Riverbed** (earthy, muted, cool) — #5f7a6b, #a89f91, #b7742f, #f4f3ef, #22281f — Wet-stone green and pebble grey with a copper accent — an earth palette that leans cool, for outdoor and wellness. — tool: https://brandsweets.com/palettes/new/5f7a6b-a89f91-b7742f-f4f3ef-22281f — collection: https://brandsweets.com/palettes/earthy
- **Meadow** (spring, light, friendly, vivid) — #6cbf4b, #f9d56e, #f18fb2, #fbfef7, #1f2d1a — Fresh green, buttercup and a wildflower pink — spring at full saturation; the leaf-dark text does the anchoring. — tool: https://brandsweets.com/palettes/new/6cbf4b-f9d56e-f18fb2-fbfef7-1f2d1a — collection: https://brandsweets.com/palettes/spring
- **Undergrowth** (forest, dark, muted, earthy) — #7fb069, #5a6650, #e6aa68, #1b2a1f, #e9efe6 — Fern and lichen with a fungus orange on a fir-black — the forest floor at dusk, as a dark theme. — tool: https://brandsweets.com/palettes/new/7fb069-5a6650-e6aa68-1b2a1f-e9efe6 — collection: https://brandsweets.com/palettes/forest

## Fonts for this mood

- 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/1a291d-a2beab-b64edf-1f2d28-ecf1e9?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: "#1a291d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.