# #28293e

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

## Values

- Hex: `#28293e`
- RGB: rgb(40, 41, 62)
- HSL: hsl(237, 22%, 20%)
- OKLCH: oklch(0.29 0.038 281.6)
- Relative luminance: 0.0238
- Nearest named color: Midnight Express (#21263a, Δ 1.739) — https://brandsweets.com/colors/midnight-express
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/28293e

## Tints & shades

- Tints (toward white): #383957, #484a70, #565886, #67699e, #7f82ad, #989abd, #b1b3cd, #c7c8db, #e0e0eb, #f9f9fb
- Shades (toward black): #242538, #222335, #1e1f2f, #1c1d2c, #181925, #14141f, #12121c, #0e0e16, #0c0c13, #08080c

## Harmonies

- Complementary: #3e3d28
- Analogous: #28343e, #32283e
- Triadic: #3e2829, #293e28
- Split-complementary: #3e3228, #343e28
- Tetradic: #3e2834, #3e3d28, #283e32

## Colors that go with #28293e

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

- **Dark Olive Green** #556b2f [harmony, pool: complementary] — Dark Olive Green sits directly opposite #28293e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cohere (https://brandsweets.com/colors/brands/cohere-com). — https://brandsweets.com/colors/darkolivegreen
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #28293e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Harvest (https://brandsweets.com/palettes/warm#harvest), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #28293e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Marvel (https://brandsweets.com/colors/brands/marvel-com), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/slateblue
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #28293e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Astro (https://brandsweets.com/colors/brands/astro-build), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #28293e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #28293e in 17 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Sketch's brand system and Monzo's brand system put Blue beside #28293e, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #28293e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 14.22:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7072a4 (4.63:1); AA: background → #919191 (4.51:1); AAA: text → #9294b9 (7.16:1); AAA: background → #b8b8b8 (7.17:1)

## Brands using this color

- **Opera** — accent #252836 (Δ 1.589) — https://brandsweets.com/colors/brands/opera-com
- **dbt Labs** — secondary #1e2939 (Δ 1.939) — https://brandsweets.com/colors/brands/getdbt-com

## Curated palettes containing it

- **Campus** (friendly, cool, clean) — #1d4ed8, #64748b, #f59e0b, #ffffff, #1e293b — Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students. — tool: https://brandsweets.com/palettes/new/1d4ed8-64748b-f59e0b-ffffff-1e293b — collection: https://brandsweets.com/palettes/friendly
- **Lavender Milk** (pastel, light, calm, cool) — #b8b5e6, #d9c7f2, #f2c4d4, #faf8ff, #2b2540 — Lilac and pale violet with a blush accent on a lavender-white — the calmest pastel family, made for sleep, journaling and self-care. — tool: https://brandsweets.com/palettes/new/b8b5e6-d9c7f2-f2c4d4-faf8ff-2b2540 — collection: https://brandsweets.com/palettes/pastel

## 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/28293e-9f9cc4-df924e-251f2d-e9edf1?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: "#28293e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.