#040028 color
The hex color #040028 is a very dark, vivid blue.
In the RGB color model it is made of 1.6% red, 0% green and 15.7% blue (4, 0, 40).
Its hue angle is 246°, with 100% saturation and 8% lightness. For print, the CMYK equivalent is 90% cyan, 100% magenta, 0% yellow and 84% black.
The closest named color is Midnight (#03012D), a difference of 1.6 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 20.27:1).
#040028 color codes
| HEX | #040028 | |
|---|---|---|
| RGB | rgb(4, 0, 40) | |
| RGB percent | rgb(1.6%, 0%, 15.7%) | |
| HSL | hsl(246, 100%, 8%) | |
| HSV / HSB | hsv(246, 100%, 16%) | |
| CMYK | cmyk(90%, 100%, 0%, 84%) | |
| CIE LAB | lab(1.62, 10.77, -22.56) | |
| CIE LCH | lch(1.62, 25, 295.51) | |
| CIE XYZ | xyz(0.433, 0.179, 2.019) | |
| Decimal | 262184 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #040028, 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 #040028 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.04:1 | Fail | Fail | Fail |
| Sample text | 20.27:1 | Pass | Pass | Pass |
| #040028 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 20.27:1 | Pass | Pass | Pass |
| Sample text | 1.04:1 | 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 #040028 looks to people with the most common types of color vision deficiency.
#000729Protanopia
no red cones#000427Deuteranopia
no green cones#000a13Tritanopia
no blue cones#060606Achromatopsia
no color vision
CSS examples
.background { background-color: #040028; }
.text { color: #040028; }
.border { border: 2px solid #040028; }
.transparent { background-color: rgb(4 0 40 / 50%); }
.gradient { background: linear-gradient(to right, #040028, #180028); }
Similar colors
#03012dMidnight#00022eIllicit Darkness#060929Mysterious Depths#071037Infinite Night#000435Oblivion#041330Squid’s Ink#050d25Void#1c0f33Midnight Monarch
Closest common color name: Oxford Blue.
Questions
- What color is #040028?
- #040028 is a very dark, vivid blue, closest to the named color Midnight. It belongs to the black family of colors.
- What is the RGB value of #040028?
- The RGB value is 4, 0, 40: 4 red, 0 green and 40 blue on a 0 to 255 scale.
- What is the complementary color of #040028?
- The complementary color is #242800, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #040028?
- White text. Black text has a contrast ratio of 1.04:1 and white text 20.27:1. WCAG asks for at least 4.5:1 for normal text.