# #283c01

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

## Values

- Hex: `#283c01`
- RGB: rgb(40, 60, 1)
- HSL: hsl(80, 97%, 12%)
- OKLCH: oklch(0.327 0.084 127.8)
- Relative luminance: 0.0369
- Nearest named color: Dark Olive (#373e02, Δ 2.504) — https://brandsweets.com/colors/dark-olive
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/283c01

## Tints & shades

- Tints (toward white): #476902, #629202, #80bf03, #9be704, #b1fc1d, #c1fc4a, #cffd72, #defea0, #ecfec8, #fcfff5
- Shades (toward black): #253701, #223201, #223201, #1e2d01, #1b2801, #182301, #141e00, #141e00, #111900, #0d1400

## Harmonies

- Complementary: #15013c
- Analogous: #3c3201, #0b3c01
- Triadic: #01283c, #3c0128
- Split-complementary: #010b3c, #32013c
- Tetradic: #013c32, #15013c, #3c010b

## Colors that go with #283c01

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: triadic] — Crimson completes a triad with #283c01 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), New Balance (https://brandsweets.com/colors/brands/newbalance-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #283c01: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Loom (https://brandsweets.com/colors/brands/loom-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: analogous] — Sea Green is #283c01's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Wellness (https://brandsweets.com/palettes/warm#wellness), Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Blue Violet** #8a2be2 [harmony, pool: complementary] — Blue Violet sits directly opposite #283c01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: ClickUp (https://brandsweets.com/colors/brands/clickup-com). — https://brandsweets.com/colors/blueviolet
- **Amber** #ffbf00 [pool] — Amber is paired with #283c01 in 5 real palettes, including Trailhead and McDonald's's brand system, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Instacart's brand system and Dunkin''s brand system put Blue beside #283c01, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #283c01, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/blush-pink
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #283c01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Chobani (https://brandsweets.com/colors/brands/chobani-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 12.09:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #588302 (4.66:1); AA: background → #9e9e9e (4.51:1); AAA: text → #6fa603 (7.13:1); AAA: background → #c7c7c7 (7.15:1)

## 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/283c01-b1bea2-4e64df-232d1f-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: "#283c01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.