# #304b01

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

## Values

- Hex: `#304b01`
- RGB: rgb(48, 75, 1)
- HSL: hsl(82, 97%, 15%)
- OKLCH: oklch(0.377 0.1 129.4)
- Relative luminance: 0.0566
- Nearest named color: Treetop Cathedral (#2f4a15, Δ 1.519) — https://brandsweets.com/colors/treetop-cathedral
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/304b01

## Tints & shades

- Tints (toward white): #4a7402, #67a102, #80c903, #9af104, #aefc27, #bdfc4f, #ccfd77, #dbfea0, #ecfecd, #fbfff5
- Shades (toward black): #2d4601, #2a4101, #273c01, #233701, #203201, #1a2801, #162301, #131e00, #101900, #0d1400

## Harmonies

- Complementary: #1c014b
- Analogous: #4b4101, #0b4b01
- Triadic: #01304b, #4b0130
- Split-complementary: #010b4b, #41014b
- Tetradic: #014b41, #1c014b, #4b010b

## Colors that go with #304b01

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

- **Blue** #0000ff [pool] — 6 real palettes, including Rolex's brand system and Instacart's brand system put Blue beside #304b01, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #304b01 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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). — https://brandsweets.com/colors/crimson
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #304b01 in 6 real palettes, including CircleCI's brand system and Chime's brand system, as the supporting colour. Seen in: CircleCI (https://brandsweets.com/colors/brands/circleci-com), Chime (https://brandsweets.com/colors/brands/chime-com), Neon (https://brandsweets.com/colors/brands/neon-tech), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/emerald-green
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #304b01: 4 real palettes, including Bookshop and Domino's's brand system, as the lead colour. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Domino's (https://brandsweets.com/colors/brands/dominos-com), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/saddlebrown
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #304b01: 6 real palettes, including Pine & Birch and Garden Wedding, as the supporting colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Stone (https://brandsweets.com/palettes/neutral#stone), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/sage-green
- **Dark Orchid** #9932cc [harmony: complementary] — Dark Orchid sits directly opposite #304b01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/darkorchid
- **Blush Pink** #e8b4b8 [pool] — 3 real palettes, including Garden Wedding and Nursery put Blush Pink beside #304b01, 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). — https://brandsweets.com/colors/blush-pink
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #304b01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 9.85:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.13:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #538302 (4.62:1); AA: background → #b0b0b0 (4.54:1); AAA: text → #6aa603 (7.07:1); AAA: background → #dbdbdb (7.11:1)

## 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/304b01-b0bea2-4e5fdf-222d1f-f1f0e9?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: "#304b01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.