# #1f4d3a

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

## Values

- Hex: `#1f4d3a`
- RGB: rgb(31, 77, 58)
- HSL: hsl(155, 43%, 21%)
- OKLCH: oklch(0.382 0.061 163.9)
- Relative luminance: 0.059
- Nearest named color: Tropical Forest (#024a43, Δ 2.62) — https://brandsweets.com/colors/tropical-forest
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/1f4d3a

## Tints & shades

- Tints (toward white): #2a6a4f, #348362, #40a078, #50b98d, #6dc5a0, #87cfb1, #a4dbc4, #c1e6d7, #dbf0e7, #f8fcfa
- Shades (toward black): #1c4534, #1a4231, #173a2c, #143326, #132f24, #10281e, #0d2119, #0a1a13, #091610, #060f0b

## Harmonies

- Complementary: #4d1f32
- Analogous: #1f4d22, #1f494d
- Triadic: #391f4d, #4d391f
- Split-complementary: #4d1f49, #4d221f
- Tetradic: #221f4d, #4d1f32, #494d1f

## Colors that go with #1f4d3a

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 #1f4d3a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Blue** #0000ff [pool] — 8 real palettes, including Jeep's brand system and Rolex's brand system put Blue beside #1f4d3a, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), 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] — 4 real palettes, including Garden Wedding and Nursery put Blush Pink beside #1f4d3a, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Nursery (https://brandsweets.com/palettes/light#nursery), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Copper** #b87333 [pool] — Designers have shipped Copper with #1f4d3a: 4 real palettes, including Notion's brand system and Desert Road. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1f4d3a: 4 real palettes, including Lamborghini's brand system and Vimeo's brand system, as the supporting colour. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1f4d3a: 8 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/denim
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #1f4d3a in 7 real palettes, including Chime's brand system and Neon's brand system, as the supporting colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Neon (https://brandsweets.com/colors/brands/neon-tech), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), CircleCI (https://brandsweets.com/colors/brands/circleci-com). — https://brandsweets.com/colors/emerald-green
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #1f4d3a: 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): 9.63:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.18:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #348362 (4.57:1); AA: background → #b3b3b3 (4.59:1); AAA: text → #43a87e (7.14:1); AAA: background → #dedede (7.16:1)

## Brands using this color

- **Squarespace** — accent #1e4c41 (Δ 1.316) — https://brandsweets.com/colors/brands/squarespace-com

## Curated palettes containing it

- **Paper & Pine** (minimal, cool, clean, muted) — #1f4d3a, #8aa39b, #d98c3f, #f7f7f4, #1c2321 — Deep pine on paper-white with a marmalade accent — a quiet, sustainable-brand palette that isn't beige. — tool: https://brandsweets.com/palettes/new/1f4d3a-8aa39b-d98c3f-f7f7f4-1c2321 — collection: https://brandsweets.com/palettes/minimal

## 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/1f4d3a-a2beb6-d459c8-1f2d2d-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: "#1f4d3a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.