#001638 color
The hex color #001638 is a very dark, vivid azure.
In the RGB color model it is made of 0% red, 8.6% green and 22% blue (0, 22, 56).
Its hue angle is 216°, with 100% saturation and 11% lightness. For print, the CMYK equivalent is 100% cyan, 61% magenta, 0% yellow and 78% black.
The closest named color is Squid’s Ink (#041330), a difference of 2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 17.92:1).
#001638 color codes
| HEX | #001638 | |
|---|---|---|
| RGB | rgb(0, 22, 56) | |
| RGB percent | rgb(0%, 8.6%, 22%) | |
| HSL | hsl(216, 100%, 11%) | |
| HSV / HSB | hsv(216, 100%, 22%) | |
| CMYK | cmyk(100%, 61%, 0%, 78%) | |
| CIE LAB | lab(7.76, 7.16, -24.7) | |
| CIE LCH | lch(7.76, 25.71, 286.16) | |
| CIE XYZ | xyz(1, 0.859, 3.854) | |
| Decimal | 5688 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #001638, 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 #001638 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.17:1 | Fail | Fail | Fail |
| Sample text | 17.92:1 | Pass | Pass | Pass |
| #001638 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.92:1 | Pass | Pass | Pass |
| Sample text | 1.17:1 | 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 #001638 looks to people with the most common types of color vision deficiency.
#011a39Protanopia
no red cones#001537Deuteranopia
no green cones#001e24Tritanopia
no blue cones#171717Achromatopsia
no color vision
CSS examples
.background { background-color: #001638; }
.text { color: #001638; }
.border { border: 2px solid #001638; }
.transparent { background-color: rgb(0 22 56 / 50%); }
.gradient { background: linear-gradient(to right, #001638, #060038); }
Similar colors
#041330Squid’s Ink#011c39Naval Night#071037Infinite Night#001f3fMidnight Mirage#112244Dark Eclipse#161d3bNightwalker#002147Oxford Blue#060929Mysterious Depths
Questions
- What color is #001638?
- #001638 is a very dark, vivid azure, closest to the named color Squid’s Ink. It belongs to the black family of colors.
- What is the RGB value of #001638?
- The RGB value is 0, 22, 56: 0 red, 22 green and 56 blue on a 0 to 255 scale.
- What is the complementary color of #001638?
- The complementary color is #382200, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #001638?
- White text. Black text has a contrast ratio of 1.17:1 and white text 17.92:1. WCAG asks for at least 4.5:1 for normal text.