# #18302b

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

## Values

- Hex: `#18302b`
- RGB: rgb(24, 48, 43)
- HSL: hsl(168, 33%, 14%)
- OKLCH: oklch(0.288 0.032 179)
- Relative luminance: 0.0248
- Nearest named color: Elite Teal (#133337, Δ 2.09) — https://brandsweets.com/colors/elite-teal
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/18302b

## Tints & shades

- Tints (toward white): #264b43, #35695f, #438477, #52a393, #6ab4a5, #85c1b5, #a3d1c8, #bfdfd8, #ddeeeb, #f8fcfb
- Shades (toward black): #162c28, #152925, #132522, #11221f, #0f1f1b, #0e1b18, #0c1815, #0a1412, #09110f, #070e0c

## Harmonies

- Complementary: #2f181d
- Analogous: #182f1f, #18282f
- Triadic: #2b182f, #2f2b18
- Split-complementary: #2f1828, #2f1f18
- Tetradic: #1f182f, #2f181d, #282f18

## Colors that go with #18302b

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

- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #18302b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Harvest (https://brandsweets.com/palettes/warm#harvest), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Gallery (https://brandsweets.com/palettes/editorial#gallery). — https://brandsweets.com/colors/rust
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #18302b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Subaru (https://brandsweets.com/colors/brands/subaru-com), Asana (https://brandsweets.com/colors/brands/asana-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #18302b — 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), Harvest (https://brandsweets.com/palettes/warm#harvest), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: triadic] — Slate Blue completes a triad with #18302b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #18302b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Rose Gold** #b76e79 [harmony, pool: complementary] — Rose Gold sits directly opposite #18302b 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 #18302b in 18 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #18302b: 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): 14.03:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #418174 (4.62:1); AA: background → #949494 (4.63:1); AAA: text → #52a393 (7.02:1); AAA: background → #b8b8b8 (7.07:1)

## Brands using this color

- **Retool** — secondary #0e352c (Δ 1.865) — https://brandsweets.com/colors/brands/retool-com

## Curated palettes containing it

- **Rain Garden** (spring, cool, muted, calm) — #4f8a8b, #a5c9a1, #f2b5a7, #f6f9f7, #1f3331 — Wet-leaf teal and moss with a soft peach — an overcast spring, calmer than the bright version and better for long reading. — tool: https://brandsweets.com/palettes/new/4f8a8b-a5c9a1-f2b5a7-f6f9f7-1f3331 — collection: https://brandsweets.com/palettes/spring

## 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/18302b-a2bebc-d459ad-1f2a2d-e9f1ec?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: "#18302b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.