# #21491d

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

## Values

- Hex: `#21491d`
- RGB: rgb(33, 73, 29)
- HSL: hsl(115, 43%, 20%)
- OKLCH: oklch(0.364 0.084 141.9)
- Relative luminance: 0.0518
- Nearest named color: Treetop Cathedral (#2f4a15, Δ 1.755) — https://brandsweets.com/colors/treetop-cathedral
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/21491d

## Tints & shades

- Tints (toward white): #2e6629, #3b8334, #469d3f, #55b84c, #71c369, #8dcf87, #a8dba4, #c1e5bd, #dcf0db, #f8fcf8
- Shades (toward black): #1d421a, #1c3e19, #193716, #173314, #142c11, #10240f, #0f210d, #0b1a0a, #0a1609, #070f06

## Harmonies

- Complementary: #451d49
- Analogous: #37491d, #1d492f
- Triadic: #1d2149, #491d21
- Split-complementary: #2f1d49, #491d37
- Tetradic: #1d3749, #451d49, #492f1d

## Colors that go with #21491d

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

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #21491d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 7 real palettes, including Instacart's brand system and Jeep's brand system put Blue beside #21491d, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Rolex (https://brandsweets.com/colors/brands/rolex-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 #21491d, 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 #21491d: 5 real palettes, including Notion's brand system and Clean Beauty. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Bakery (https://brandsweets.com/palettes/warm#bakery), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #21491d in 4 real palettes, including MAC Cosmetics's brand system and Dunkin''s brand system, as the supporting colour. Seen in: MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), 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). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #21491d: 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), Astro (https://brandsweets.com/colors/brands/astro-build), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #21491d: 6 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
- **Cream** #fffdd0 [role] — Cream is the surface #21491d wants: a warm off-white that shares its undertone, so #21491d reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 10.32:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.04:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3d8736 (4.72:1); AA: background → #adadad (4.6:1); AAA: text → #4dab44 (7.22:1); AAA: background → #d6d6d6 (7.1:1)

## 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/21491d-a2bea3-8d4edf-1f2d24-eef1e9?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: "#21491d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.