Ref. #2C5861 · QE-47
Petro Blue
8%LRV Value
Cool (Blue)Undertone
Petro Blue Technical Profile
What color is Petro Blue? It's a dark cool blue with the hex code #2C5861. Colors similar to Petro Blue include MPC River Teal Blue, PPG Deep Emerald, Hirshfield's Frozen Stream. Petro Blue has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 8, Petro 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 Petro Blue
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Petro Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Petro Blue
#2C5861
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#4A5976
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Petro Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Petro 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 Petro 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.
Petro Blue — Frequently Asked Questions
What undertone does Petro Blue have?
Petro Blue by Behr has a cool (blue) undertone and belongs to the blue color family.
What colors match Petro Blue from other brands?
The closest matches are River Teal Blue by MPC (#2A5962), Deep Emerald by PPG (#2A545C), Frozen Stream by Hirshfield's (#30555D). Always verify with physical samples.
What is the LRV of Petro Blue?
Petro Blue has an LRV of 8.4, where 0 is pure black and 100 is pure white.
Explore More with Petro 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 Petro Blue's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.