#374F51 color
The hex color #374F51 is a dark, grayish cyan.
In the RGB color model it is made of 21.6% red, 31% green and 31.8% blue (55, 79, 81).
Its hue angle is 185°, with 19% saturation and 27% lightness. For print, the CMYK equivalent is 32% cyan, 2% magenta, 0% yellow and 68% black.
The closest named color is Night Watch (#3C4F4E), a difference of 2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 8.75:1).
#374F51 color codes
| HEX | #374F51 | |
|---|---|---|
| RGB | rgb(55, 79, 81) | |
| RGB percent | rgb(21.6%, 31%, 31.8%) | |
| HSL | hsl(185, 19%, 27%) | |
| HSV / HSB | hsv(185, 32%, 32%) | |
| CMYK | cmyk(32%, 2%, 0%, 68%) | |
| CIE LAB | lab(31.8, -8.56, -4.14) | |
| CIE LCH | lch(31.8, 9.51, 205.78) | |
| CIE XYZ | xyz(5.856, 6.998, 8.825) | |
| Decimal | 3624785 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #374F51, 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 #374F51 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.4:1 | Fail | Fail | Fail |
| Sample text | 8.75:1 | Pass | Pass | Pass |
| #374F51 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 8.75:1 | Pass | Pass | Pass |
| Sample text | 2.4:1 | 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 #374F51 looks to people with the most common types of color vision deficiency.
#4b4d51Protanopia
no red cones#474951Deuteranopia
no green cones#2e5150Tritanopia
no blue cones#4b4b4bAchromatopsia
no color vision
CSS examples
.background { background-color: #374f51; }
.text { color: #374f51; }
.border { border: 2px solid #374f51; }
.transparent { background-color: rgb(55 79 81 / 50%); }
.gradient { background: linear-gradient(to right, #374f51, #374251); }
Similar colors
#3c4f4eNight Watch#2f4f4fDark Slate Gray#2d454aLittle Mermaid#455454All Nighter#27454aMysterious Waters#3b5760Great Void#475c5dWoodland Night#224347Emerald Forest
Questions
- What color is #374F51?
- #374F51 is a dark, grayish cyan, closest to the named color Night Watch. It belongs to the gray family of colors.
- What is the RGB value of #374F51?
- The RGB value is 55, 79, 81: 55 red, 79 green and 81 blue on a 0 to 255 scale.
- What is the complementary color of #374F51?
- The complementary color is #513937, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #374F51?
- White text. Black text has a contrast ratio of 2.4:1 and white text 8.75:1. WCAG asks for at least 4.5:1 for normal text.