#1A1F37 color
The hex color #1A1F37 is a very dark, desaturated blue.
In the RGB color model it is made of 10.2% red, 12.2% green and 21.6% blue (26, 31, 55).
Its hue angle is 230°, with 36% saturation and 16% lightness. For print, the CMYK equivalent is 53% cyan, 44% magenta, 0% yellow and 78% black.
The closest named color is Sombre Night (#161E34), a difference of 1.8 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 16.22:1).
#1A1F37 color codes
| HEX | #1A1F37 | |
|---|---|---|
| RGB | rgb(26, 31, 55) | |
| RGB percent | rgb(10.2%, 12.2%, 21.6%) | |
| HSL | hsl(230, 36%, 16%) | |
| HSV / HSB | hsv(230, 53%, 22%) | |
| CMYK | cmyk(53%, 44%, 0%, 78%) | |
| CIE LAB | lab(12.45, 5.66, -16.39) | |
| CIE LCH | lch(12.45, 17.33, 289.04) | |
| CIE XYZ | xyz(1.605, 1.475, 3.814) | |
| Decimal | 1711927 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1A1F37, 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 #1A1F37 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.3:1 | Fail | Fail | Fail |
| Sample text | 16.22:1 | Pass | Pass | Pass |
| #1A1F37 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.22:1 | Pass | Pass | Pass |
| Sample text | 1.3:1 | 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 #1A1F37 looks to people with the most common types of color vision deficiency.
#162238Protanopia
no red cones#141f36Deuteranopia
no green cones#102428Tritanopia
no blue cones#202020Achromatopsia
no color vision
CSS examples
.background { background-color: #1a1f37; }
.text { color: #1a1f37; }
.border { border: 2px solid #1a1f37; }
.transparent { background-color: rgb(26 31 55 / 50%); }
.gradient { background: linear-gradient(to right, #1a1f37, #231a37); }
Similar colors
#161e34Sombre Night#151931Dark Knight#161d3bNightwalker#1f2133Eclipse Elixir#21263aMidnight Express#222233Black Velvet#1c2841Eternal Darkness#112244Dark Eclipse
Closest common color name: Oxford Blue.
Questions
- What color is #1A1F37?
- #1A1F37 is a very dark, desaturated blue, closest to the named color Sombre Night. It belongs to the blue family of colors.
- What is the RGB value of #1A1F37?
- The RGB value is 26, 31, 55: 26 red, 31 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #1A1F37?
- The complementary color is #37321A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1A1F37?
- White text. Black text has a contrast ratio of 1.3:1 and white text 16.22:1. WCAG asks for at least 4.5:1 for normal text.