#011837 color
The hex color #011837 is a very dark, vivid azure.
In the RGB color model it is made of 0.4% red, 9.4% green and 21.6% blue (1, 24, 55).
Its hue angle is 214°, with 96% saturation and 11% lightness. For print, the CMYK equivalent is 98% cyan, 56% magenta, 0% yellow and 78% black.
The closest named color is Naval Night (#011C39), a difference of 2.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.69:1).
#011837 color codes
| HEX | #011837 | |
|---|---|---|
| RGB | rgb(1, 24, 55) | |
| RGB percent | rgb(0.4%, 9.4%, 21.6%) | |
| HSL | hsl(214, 96%, 11%) | |
| HSV / HSB | hsv(214, 98%, 22%) | |
| CMYK | cmyk(98%, 56%, 0%, 78%) | |
| CIE LAB | lab(8.44, 5.24, -22.87) | |
| CIE LCH | lch(8.44, 23.47, 282.91) | |
| CIE XYZ | xyz(1.028, 0.935, 3.74) | |
| Decimal | 71735 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #011837, 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 #011837 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.19:1 | Fail | Fail | Fail |
| Sample text | 17.69:1 | Pass | Pass | Pass |
| #011837 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.69:1 | 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 #011837 looks to people with the most common types of color vision deficiency.
#061b38Protanopia
no red cones#001636Deuteranopia
no green cones#002024Tritanopia
no blue cones#181818Achromatopsia
no color vision
CSS examples
.background { background-color: #011837; }
.text { color: #011837; }
.border { border: 2px solid #011837; }
.transparent { background-color: rgb(1 24 55 / 50%); }
.gradient { background: linear-gradient(to right, #011837, #050137); }
Similar colors
#011c39Naval Night#041330Squid’s Ink#001f3fMidnight Mirage#112244Dark Eclipse#002147Oxford Blue#161d3bNightwalker#0e1d32Trapped Darkness#161e34Sombre Night
Questions
- What color is #011837?
- #011837 is a very dark, vivid azure, closest to the named color Naval Night. It belongs to the black family of colors.
- What is the RGB value of #011837?
- The RGB value is 1, 24, 55: 1 red, 24 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #011837?
- The complementary color is #372001, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #011837?
- White text. Black text has a contrast ratio of 1.19:1 and white text 17.69:1. WCAG asks for at least 4.5:1 for normal text.