Ref. #1F3A3D · 6004
What color is Blue Green? It's a deep cool blue with the hex code #1F3A3D. Colors similar to Blue Green include Sherwin-Williams Cascades, Benjamin Moore Pacific Sea Teal, Behr Black Sable. Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Blue Green has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. Understanding a color's undertone is key to avoiding combinations that clash — it often matters more than the surface color itself. Blue Green (#1F3A3D) by RAL is a deep blue paint color with a balanced saturation that feels natural and approachable. It delivers a grounded richness that adds drama and sophistication. On the temperature spectrum this shade carries a cool cast, lending calm and collected elegance. Its RGB channels are closely balanced, contributing to its neutral, even-keeled visual character. At an LRV of 21 it absorbs more light than it reflects, creating a moody, enveloping atmosphere. Deep blues like this deliver striking navy elegance in dining rooms, bedrooms, and exterior shutters. Satin or semi-gloss finishes help deep colors reflect just enough light to show their full depth, especially on accent walls and trim. For color coordination, Blue Green pairs beautifully with red tones for bold complementary contrast, or with neighboring blue and teal hues for a harmonious, flowing palette. Its cool (blue) undertone means trim and ceiling whites should lean neutral to avoid a jarring clash. If RAL is unavailable in your area, close cross-brand alternatives exist from Sherwin-Williams, Benjamin Moore, Behr and others. In terms of mood and atmosphere, Blue Green projects a confident, tailored sophistication associated with classic nautical and Art Deco aesthetics. Designers often reach for shades like this when the goal is to shape how a room feels, not just how it looks. This shade is a natural fit for nautical, classic traditional, and Hamptons-style interiors. As part of the RAL palette, Blue Green benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. As with any paint color, Blue Green can shift noticeably between natural daylight, warm incandescent, and cool LED lighting — testing a sample swatch on your wall under different conditions is always recommended. Deep shades generally benefit from a quality primer and may require an extra coat for even, streak-free coverage. Deep tones pair beautifully with velvet upholstery, burnished metal fixtures, dark-stained wood, and textured wallcoverings on adjacent surfaces. You can order Blue Green (6004) directly from RAL or through major paint retailers, and we recommend purchasing a peel-and-stick sample to preview it on your wall before buying gallons.
Timeless pairing with clean white trim and a tonal accent wall

Side Walls
#1F3A3D
Accent Wall
A warm shift that adds depth without clashing.
#394556
Trim & Molding
Crisp white trim for a clean, traditional look.
#FFFFFF
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Other RAL colors close to Blue Green.
Closest digital match based on color values. Always verify with physical samples.
Sherwin-Williams
Benjamin Moore
Behr
Hirshfield's
Vista Paint
MPC
Dunn-Edwards
Valspar
#293133
© 2026 Paint Color HQ. Color data is approximate. Always verify with physical samples before purchasing.
Color schemes built around this color — each swatch links to the closest matching paint.
Warm tones with cozy appeal — welcoming and comfortable
Cool hues with soft contrast — serene and restful
Complementary hues with punch — dynamic and striking