Ref. #1644BA · S-G-590
Southern Blue
8%LRV Value
Warm (Pink)Undertone
Southern Blue Technical Profile
What color is Southern Blue? It's a dark warm blue with the hex code #1644BA. Southern Blue has a warm (pink) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 8, Southern Blue creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. Pair it with cool whites like Chantilly Lace, walnut or rift-cut oak floors, and brushed nickel or polished chrome hardware. Brass accents add warmth for a layered look. Blues stay crisp under 4000K+ cool LEDs. Under 2700K warm bulbs they can read grayer or shift slightly purple — particularly true for mid-tone and saturated blues.
Colors Similar to Southern Blue
Closest digital match based on color values. Always verify with physical samples.
Blue Royale
Dutch Boy
Visible difference
Oh So Blue
MPC
Visible difference
Petal .05
Colorhouse
Visible difference
Cascade Twilight
Vista Paint
Visible difference
Blue Highlight
Hirshfield's
Visible difference
Delphinium
Benjamin Moore
Visible difference
Deep Sapphire
Dunn-Edwards
Visible difference
Crushed Velvet
PPG
Visible difference
Recommended Pairings
Colors That Work With Southern Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Southern Blue
#1644BA
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#6046BD
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Southern Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Southern Blue Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Behr Colors
Other Behr colors close to Southern Blue.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Southern Blue — Frequently Asked Questions
What undertone does Southern Blue have?
Southern Blue by Behr has a warm (pink) undertone and belongs to the blue color family.
What colors match Southern Blue from other brands?
The closest matches are Blue Royale by Dutch Boy (#243F90), Oh So Blue by MPC (#2F4F99), Petal .05 by Colorhouse (#1F4992). Always verify with physical samples.
What is the LRV of Southern Blue?
Southern Blue has an LRV of 7.8, where 0 is pure black and 100 is pure white.
Explore More with Southern Blue
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Southern Blue's warm (pink) undertone matters more than its surface color — and how to read undertones in any paint chip.