#131537 color
The hex color #131537 is a very dark, desaturated blue.
In the RGB color model it is made of 7.5% red, 8.2% green and 21.6% blue (19, 21, 55).
Its hue angle is 237°, with 49% saturation and 15% lightness. For print, the CMYK equivalent is 65% cyan, 62% magenta, 0% yellow and 78% black.
The closest named color is Infinite Night (#071037), a difference of 2.5 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.65:1).
#131537 color codes
| HEX | #131537 | |
|---|---|---|
| RGB | rgb(19, 21, 55) | |
| RGB percent | rgb(7.5%, 8.2%, 21.6%) | |
| HSL | hsl(237, 49%, 15%) | |
| HSV / HSB | hsv(237, 65%, 22%) | |
| CMYK | cmyk(65%, 62%, 0%, 78%) | |
| CIE LAB | lab(8.57, 11.35, -22.6) | |
| CIE LCH | lch(8.57, 25.29, 296.66) | |
| CIE XYZ | xyz(1.226, 0.951, 3.733) | |
| Decimal | 1250615 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #131537, 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 #131537 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.19:1 | Fail | Fail | Fail |
| Sample text | 17.65:1 | Pass | Pass | Pass |
| #131537 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.65:1 | Pass | Pass | Pass |
| Sample text | 1.19:1 | 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 #131537 looks to people with the most common types of color vision deficiency.
#031a38Protanopia
no red cones#001736Deuteranopia
no green cones#031d23Tritanopia
no blue cones#191919Achromatopsia
no color vision
CSS examples
.background { background-color: #131537; }
.text { color: #131537; }
.border { border: 2px solid #131537; }
.transparent { background-color: rgb(19 21 55 / 50%); }
.gradient { background: linear-gradient(to right, #131537, #231337); }
Similar colors
#071037Infinite Night#161d3bNightwalker#060929Mysterious Depths#222244Black Market#03012dMidnight#151931Dark Knight#211d49Azulado#041330Squid’s Ink
Closest common color name: Oxford Blue.
Questions
- What color is #131537?
- #131537 is a very dark, desaturated blue, closest to the named color Infinite Night. It belongs to the black family of colors.
- What is the RGB value of #131537?
- The RGB value is 19, 21, 55: 19 red, 21 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #131537?
- The complementary color is #373513, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #131537?
- White text. Black text has a contrast ratio of 1.19:1 and white text 17.65:1. WCAG asks for at least 4.5:1 for normal text.