#2B4451 color
The hex color #2B4451 is a dark, desaturated azure.
In the RGB color model it is made of 16.9% red, 26.7% green and 31.8% blue (43, 68, 81).
Its hue angle is 201°, with 31% saturation and 24% lightness. For print, the CMYK equivalent is 47% cyan, 16% magenta, 0% yellow and 68% black.
The closest named color is Depths of the Nile (#253F4E), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 10.25:1).
#2B4451 color codes
| HEX | #2B4451 | |
|---|---|---|
| RGB | rgb(43, 68, 81) | |
| RGB percent | rgb(16.9%, 26.7%, 31.8%) | |
| HSL | hsl(201, 31%, 24%) | |
| HSV / HSB | hsv(201, 47%, 32%) | |
| CMYK | cmyk(47%, 16%, 0%, 68%) | |
| CIE LAB | lab(27.41, -5.6, -10.81) | |
| CIE LCH | lch(27.41, 12.18, 242.63) | |
| CIE XYZ | xyz(4.548, 5.242, 8.555) | |
| Decimal | 2835537 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #2B4451, 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 #2B4451 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.05:1 | Fail | Fail | Fail |
| Sample text | 10.25:1 | Pass | Pass | Pass |
| #2B4451 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 10.25:1 | Pass | Pass | Pass |
| Sample text | 2.05:1 | 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 #2B4451 looks to people with the most common types of color vision deficiency.
#3e4352Protanopia
no red cones#383f51Deuteranopia
no green cones#1b4848Tritanopia
no blue cones#414141Achromatopsia
no color vision
CSS examples
.background { background-color: #2b4451; }
.text { color: #2b4451; }
.border { border: 2px solid #2b4451; }
.transparent { background-color: rgb(43 68 81 / 50%); }
.gradient { background: linear-gradient(to right, #2b4451, #2b3151); }
Similar colors
#253f4eDepths of the Nile#254855Mallard#36454fCharcoal#344d58Nocturne#29465bOne Year of Rain#203943Astral Nomad#1a4157Capital Blue#2a4f61Shadow of Night
Questions
- What color is #2B4451?
- #2B4451 is a dark, desaturated azure, closest to the named color Depths of the Nile. It belongs to the gray family of colors.
- What is the RGB value of #2B4451?
- The RGB value is 43, 68, 81: 43 red, 68 green and 81 blue on a 0 to 255 scale.
- What is the complementary color of #2B4451?
- The complementary color is #51382B, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #2B4451?
- White text. Black text has a contrast ratio of 2.05:1 and white text 10.25:1. WCAG asks for at least 4.5:1 for normal text.