# #183e2b

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

## Values

- Hex: `#183e2b`
- RGB: rgb(24, 62, 43)
- HSL: hsl(150, 44%, 17%)
- OKLCH: oklch(0.33 0.055 159.3)
- Relative luminance: 0.0381
- Nearest named color: Queen of Trees (#1c401f, Δ 2.169) — https://brandsweets.com/colors/queen-of-trees
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/183e2b

## Tints & shades

- Tints (toward white): #245c40, #2f7954, #3b9769, #46b47d, #65c394, #82cea8, #a0dabd, #bde5d1, #daf1e6, #f8fcfa
- Shades (toward black): #173b29, #143324, #133021, #112c1f, #10281c, #0d2117, #0b1d14, #0a1a12, #07120d, #060f0a

## Harmonies

- Complementary: #3e182b
- Analogous: #183e18, #183e3e
- Triadic: #2b183e, #3e2b18
- Split-complementary: #3e183e, #3e1818
- Tetradic: #18183e, #3e182b, #3e3e18

## Colors that go with #183e2b

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

- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #183e2b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #183e2b — 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), 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 #183e2b'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), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #183e2b in 6 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), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Instacart's brand system and Jeep's brand system put Blue beside #183e2b, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #183e2b, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #183e2b in 4 real palettes, including Polaroid and Chalkboard, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #183e2b: 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): 11.91:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.76:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #33845c (4.6:1); AA: background → #a1a1a1 (4.61:1); AAA: text → #42a975 (7.16:1); AAA: background → #c7c7c7 (7.05:1)

## Brands using this color

- **Chime** — primary #0d4029 (Δ 1.173) — https://brandsweets.com/colors/brands/chime-com
- **Instacart** — primary #043b2b (Δ 1.889) — https://brandsweets.com/colors/brands/instacart-com
- **Chobani** — secondary #1a3c34 (Δ 1.934) — https://brandsweets.com/colors/brands/chobani-com
- **WhatsApp** — secondary #103928 (Δ 1.981) — https://brandsweets.com/colors/brands/whatsapp-com

## Curated palettes containing it

- **Canopy** (forest, cool, muted, calm) — #2d6a4f, #95d5b2, #d8a48f, #f6faf7, #1b4332 — Deep green and new-leaf mint with a bark-pink accent — a forest that reads calm rather than camo. — tool: https://brandsweets.com/palettes/new/2d6a4f-95d5b2-d8a48f-f6faf7-1b4332 — 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/183e2b-a2beb3-d459d2-1f2d2c-e9f1ea?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: "#183e2b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.