BLUES
St Giles Blue
#599EC4
St Giles Blue is #599EC4 in HEX — rgb(89, 158, 196), hsl(201°, 48%, 56%), cmyk(55%, 19%, 0%, 23%).
St Giles Blue pulls into the mid-tone end of the blues spectrum — HSL 201°, 48%, 56%. The balanced saturation makes it confident without overpowering, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, home offices — for calm, focused environments. Reads best alongside warm white trim, oak or walnut, brass or matte black hardware.
Color Codes
Paint Matches — this color across 16 brands
Farrow & Ball
St Giles Blue 280
Sherwin-Williams
Jacaranda SW6802
Valspar
Rolling Sea 5001-10B
Behr
Honest Blue BIC-38
Vista Paint
Bonaventure K-146
PPG
Hush-a-bye 1238-5
Dulux
Kentucky S36H4
Hallman-Lindsay
Sea Of Atlantis 653
Benjamin Moore
Poolside 775
Kilz
Vintage Sapphire RD260-02
Dunn-Edwards
Wandering River DE5850
IKEA
IKEA084 84
Kobra
Blue 28
Dutch Boy
Celestial Horizon DCP-0589
RAL
Light Blue 5012
Colorhouse
Water .05 Water-05
Light Reflectance & Undertone
Light Reflectance Value (LRV)
31/100
Medium
Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.
Undertone
Reads as a cool blue with a violet undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.
Color Theory
Complementary
Analogous
Triadic
Split-Complementary
Tetradic
Monochromatic
Rectangle
Compound
Variations
Lighter
Darker
Saturation
Interior Use
Best Rooms
bedrooms, bathrooms, home offices
Best Uses
main walls, ceilings, trim, cabinetry
Pairs With
warm white trim, oak or walnut, brass or matte black hardware
Accessibility (WCAG)
Deuteranopia
Protanopia
Tritanopia
Color Psychology
Focused · Cooling
St Giles Blue lowers the temperature of a room — useful in south-facing rooms that overheat visually, and in home offices where you want a clear head. Pair with warm wood and brass to keep it from reading clinical.
How it looks under different light
Pairs With
Paint Info
Brand · Product Line
Benjamin Moore / Regal Select Interior
Recommended Finishes
Eggshell (walls) · Pearl (trim) · Matte (ceiling)
Eggshell hides imperfections on main walls while keeping the color rich; pearl on trim adds subtle sheen and easier cleaning; flat matte on ceilings prevents glare.
Best Surfaces
Primary walls · Cabinetry · Trim · Soft furniture
Coverage & Dry Time
Typical coverage 350-400 sq ft per gallon over a primed surface.
Touch-dry in ~1 hour. Recoat after 4 hours. Full cure 7-14 days.
Primer
Standard primer is adequate.
Application Tip
Use a 9" microfiber roller on walls and a 2.5" angled sash brush for trim cuts. Two coats minimum for even depth.
Paint Calculator
You'll need
4.0 litres
1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.
Code Snippets
color: #599EC4;background-color: #599EC4;--color-st-giles-blue: #599EC4;colors: { 'st-giles-blue': '#599EC4' }bg-[#599EC4] text-[#599EC4]$st-giles-blue: #599EC4;Similar Colors
Our color tools run on our own catalogue of 26,000+ real paint colors across 16 brands — Benjamin Moore, Sherwin-Williams, Behr, Dulux, RAL and more — with the color math (HSL and CIELAB matching) computed in-house, not scraped from summaries. Every color you pick maps to a real, buyable paint with its code, so what you see here you can actually take to the store. We review and update these tools and their data regularly.
Created by Denis Kataev, founder of DSGN.HOUSE — a software engineer and digital entrepreneur building professional color-design tools for everyone.
Frequently Asked Questions
What color is #599EC4?
#599EC4 is St Giles Blue, a mid-tone blue with a cool undertone.
Is #599EC4 warm or cool?
St Giles Blue reads cool, which influences how it interacts with surrounding tones and natural light.
What rooms work best with St Giles Blue?
St Giles Blue works well in bedrooms, bathrooms, home offices. Designers typically use it for main walls, ceilings, trim, cabinetry.
What colors pair well with St Giles Blue?
St Giles Blue pairs naturally with warm white trim, oak or walnut, brass or matte black hardware. Its complementary color is also a strong contrast option for accents.
Where can I download St Giles Blue?
You can download St Giles Blue on DSGN.HOUSE in 15 designer formats including CSS gradient, Figma, Procreate swatches, Tailwind config, Adobe ASE, SVG, and 4K wallpapers — all free.
What's the hex code for St Giles Blue?
The hex code is #599EC4. In RGB it's 89, 158, 196, and in HSL it's 201°, 48%, 56%.
