# #152d2d

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

## Values

- Hex: `#152d2d`
- RGB: rgb(21, 45, 45)
- HSL: hsl(180, 36%, 13%)
- OKLCH: oklch(0.278 0.03 195.6)
- Relative luminance: 0.0223
- Nearest named color: Black Box (#0f282f, Δ 2.172) — https://brandsweets.com/colors/black-box
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/152d2d

## Tints & shades

- Tints (toward white): #244c4c, #316868, #408787, #4da3a3, #66b7b7, #82c4c4, #a1d3d3, #bde0e0, #dcefef, #f8fcfc
- Shades (toward black): #142a2a, #122626, #102323, #0f1f1f, #0f1f1f, #0d1c1c, #0b1818, #0a1515, #081111, #070e0e

## Harmonies

- Complementary: #2d1515
- Analogous: #152d21, #15212d
- Triadic: #2d152d, #2d2d15
- Split-complementary: #2d1521, #2d2115
- Tetradic: #21152d, #2d1515, #212d15

## Colors that go with #152d2d

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #152d2d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #152d2d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: analogous] — Teal is #152d2d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Alpine (https://brandsweets.com/palettes/cool#alpine), N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Indian Red** #cd5c5c [harmony, pool: complementary] — Indian Red sits directly opposite #152d2d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Zed (https://brandsweets.com/colors/brands/zed-dev), Roblox (https://brandsweets.com/colors/brands/roblox-com), Sourcegraph (https://brandsweets.com/colors/brands/sourcegraph-com). — https://brandsweets.com/colors/indianred
- **Amber** #ffbf00 [pool] — Amber is paired with #152d2d in 18 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 24 real palettes, including Readymag's brand system and Headspace's brand system put Blue beside #152d2d, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #152d2d in 7 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com), Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com). — https://brandsweets.com/colors/blueviolet
- **Blush Pink** #e8b4b8 [pool] — 7 real palettes, including Rain Garden and Graphite Mono put Blush Pink beside #152d2d, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink

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

- On white (#ffffff): 14.53:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3c8080 (4.59:1); AA: background → #919191 (4.61:1); AAA: text → #4da3a3 (7.08:1); AAA: background → #b5b5b5 (7.09:1)

## Curated palettes containing it

- **Chalkboard** (dark, muted, warm) — #e8c170, #a8b5a0, #f28e6b, #1f2a24, #f1ede4 — Slate green with chalk cream and a coral — nostalgic without being twee. — tool: https://brandsweets.com/palettes/new/e8c170-a8b5a0-f28e6b-1f2a24-f1ede4 — collection: https://brandsweets.com/palettes/dark

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/152d2d-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: "#152d2d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.