#2B4751 color
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 | |
|---|---|---|
| RGB | rgb(43, 71, 81) | |
| RGB percent | rgb(16.9%, 27.8%, 31.8%) | |
| HSL | hsl(196, 31%, 24%) | |
| HSV / HSB | hsv(196, 47%, 32%) | |
| CMYK | cmyk(47%, 12%, 0%, 68%) | |
| CIE LAB | lab(28.42, -7.48, -9.29) | |
| CIE LCH | lch(28.42, 11.93, 231.14) | |
| CIE XYZ | xyz(4.734, 5.614, 8.617) | |
| Decimal | 2836305 | |
| Short hex | None (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 #2B4751 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.12:1 | Fail | Fail | Fail |
| Sample text | 9.89:1 | Pass | Pass | Pass |
| #2B4751 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 9.89:1 | Pass | Pass | Pass |
| Sample text | 2.12:1 | Fail | Fail | Fail |
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.
#414652Protanopia
no red cones#3b4151Deuteranopia
no green cones#1b4a4aTritanopia
no blue cones#434343Achromatopsia
no color vision
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); }
Similar colors
#254855Mallard#344d58Nocturne#2d454aLittle Mermaid#27454aMysterious Waters#154250Cold and Dark#253f4eDepths of the Nile#37525fMoonlit Sonata#2a4f61Shadow of Night
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.