# #243d3d

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

## Values

- Hex: `#243d3d`
- RGB: rgb(36, 61, 61)
- HSL: hsl(180, 26%, 19%)
- OKLCH: oklch(0.34 0.031 195.8)
- Relative luminance: 0.0405
- Nearest named color: Sunken Harbour (#1c3d44, Δ 1.438) — https://brandsweets.com/colors/sunken-harbour
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/243d3d

## Tints & shades

- Tints (toward white): #335757, #427070, #518a8a, #62a3a3, #7bb2b2, #92bfbf, #abcece, #c5dddd, #dfecec, #f9fbfb
- Shades (toward black): #223a3a, #1e3333, #1c3030, #192a2a, #172727, #132020, #111d1d, #0d1616, #0b1313, #080d0d

## Harmonies

- Complementary: #3d2424
- Analogous: #243d30, #24303d
- Triadic: #3d243d, #3d3d24
- Split-complementary: #3d2430, #3d3024
- Tetradic: #30243d, #3d2424, #303d24

## Colors that go with #243d3d

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

- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #243d3d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Harvest (https://brandsweets.com/palettes/warm#harvest), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: analogous] — Teal is #243d3d'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), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #243d3d in 5 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
- **Blue** #0000ff [pool] — 12 real palettes, including Jeep's brand system and Minecraft's brand system put Blue beside #243d3d, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Instacart (https://brandsweets.com/colors/brands/instacart-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #243d3d, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #243d3d in 4 real palettes, including Polaroid and Coastal, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #243d3d: 8 real palettes, including Clean Beauty and Paper & Pine, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Coastal (https://brandsweets.com/palettes/cool#coastal), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #243d3d: 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): 11.6:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.81:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4a7d7d (4.52:1); AA: background → #a3a3a3 (4.6:1); AAA: text → #5ea1a1 (7.09:1); AAA: background → #c9c9c9 (7.01:1)

## Curated palettes containing it

- **Mint Chip** (pastel, light, clean) — #98d8c8, #c8e6c9, #f7c8a0, #fbfffd, #1f3a33 — Mint and celadon with a peach accent — fresh without being clinical; the deep green text keeps it grounded. — tool: https://brandsweets.com/palettes/new/98d8c8-c8e6c9-f7c8a0-fbfffd-1f3a33 — 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/243d3d-a2bbbe-d45994-1f272d-e9f1ed?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: "#243d3d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.