Skip to main content
Benjamin Moore Celtic Blue ES-31

Celtic Blue

Benjamin Moore

ES-31

About Celtic Blue by Benjamin Moore

Brightness: 45.1%

Tone: Cool

HEX: #a9b5bc

RGB: 169, 181, 188

Hue202°

Saturation12%

Lightness70%

Similar Colors by Benjamin Moore

These are close matches to Celtic Blue from the same brand. They keep a similar look and work well in the same type of rooms.

Frequently asked questions

Quick answers about how Celtic Blue looks in real rooms, how it behaves with light, and how it pairs with other shades.

Is Celtic Blue ES-31 a warm or cool color?
Celtic Blue by Benjamin Moore is a cool mid tone color. It will usually read cool in most homes rather than a sharp pure white.
What type of color is Celtic Blue?
Celtic Blue sits in the blue family. Its hue is about 202°, which keeps it in that range on the color wheel.
What are the color stats for Celtic Blue?
Brightness is about 45%. Saturation is around 12%. Lightness (HSL L) is roughly 70%. Hue is close to 202°. The hex value is #a9b5bc. The RGB value is 169, 181, 188.
Is Celtic Blue better for dark rooms or bright rooms?
Celtic Blue has brightness around 45%. It sits in the middle, so it can work in both darker and brighter rooms if you balance the lighting.
Which colors go with Celtic Blue?
You can match Celtic Blue with simple whites for trim and ceiling, or with nearby neutrals from the same brand. The similar colors and complementary colors on this page are a good starting point for pairing.
Where does Celtic Blue work best in a home?
Celtic Blue works well as an accent on one or two walls, in cozy rooms, or in spaces with stronger daylight where a deeper color will not feel heavy.
How does Celtic Blue compare to a pure white paint?
Celtic Blue is softer than a pure untinted white. The cool undertone and mid tone color feel more gentle on the eye, so it tends to look calmer and less stark on large walls.

Lighter Shades by Benjamin Moore

These lighter shades sit above Celtic Blue in brightness. They give a softer feel without drifting far from the same family.

Darker Shades by Benjamin Moore

These colors drop a bit below Celtic Blue in brightness. They can add depth without leaving the same style.

Complementary Colors by Benjamin Moore

These colors sit on the opposite side of the color wheel from Celtic Blue. They add contrast without clashing.

Alternate Colors by other brands

These colors from other brands have a similar look to Celtic Blue. They are helpful if you switch between brands or match to a contractor’s paint line.