#2B4751 color

#2B4751 rgb(43, 71, 81)
Shades of gray

The hex color #2B4751 is a dark, desaturated azure.

In the RGB color model it is made of 16.9% red, 27.8% green and 31.8% blue (43, 71, 81).

Its hue angle is 196°, with 31% saturation and 24% lightness. For print, the CMYK equivalent is 47% cyan, 12% magenta, 0% yellow and 68% black.

The closest named color is Mallard (#254855), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.89:1).

#2B4751 color codes

HEX#2B4751
RGBrgb(43, 71, 81)
RGB percentrgb(16.9%, 27.8%, 31.8%)
HSLhsl(196, 31%, 24%)
HSV / HSBhsv(196, 47%, 32%)
CMYKcmyk(47%, 12%, 0%, 68%)
CIE LABlab(28.42, -7.48, -9.29)
CIE LCHlch(28.42, 11.93, 231.14)
CIE XYZxyz(4.734, 5.614, 8.617)
Decimal2836305
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #2B4751, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #2B4751RatioAAAAAAA large
Sample text2.12:1FailFailFail
Sample text9.89:1PassPassPass
#2B4751 as text onRatioAAAAAAA large
Sample text9.89:1PassPassPass
Sample text2.12:1FailFailFail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #2B4751 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #2b4751; }
.text { color: #2b4751; }
.border { border: 2px solid #2b4751; }
.transparent { background-color: rgb(43 71 81 / 50%); }
.gradient { background: linear-gradient(to right, #2b4751, #2b3451); }
Background
Text color
Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #2B4751?
#2B4751 is a dark, desaturated azure, closest to the named color Mallard. It belongs to the gray family of colors.
What is the RGB value of #2B4751?
The RGB value is 43, 71, 81: 43 red, 71 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #2B4751?
The complementary color is #51352B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #2B4751?
White text. Black text has a contrast ratio of 2.12:1 and white text 9.89:1. WCAG asks for at least 4.5:1 for normal text.