#101939 color
The hex color #101939 is a very dark, moderate blue.
In the RGB color model it is made of 6.3% red, 9.8% green and 22.4% blue (16, 25, 57).
Its hue angle is 227°, with 56% saturation and 14% lightness. For print, the CMYK equivalent is 72% cyan, 56% magenta, 0% yellow and 78% black.
The closest named color is Nightwalker (#161D3B), a difference of 1.5 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 17.21:1).
#101939 color codes
| HEX | #101939 | |
|---|---|---|
| RGB | rgb(16, 25, 57) | |
| RGB percent | rgb(6.3%, 9.8%, 22.4%) | |
| HSL | hsl(227, 56%, 14%) | |
| HSV / HSB | hsv(227, 72%, 22%) | |
| CMYK | cmyk(72%, 56%, 0%, 78%) | |
| CIE LAB | lab(9.8, 8.34, -22.07) | |
| CIE LCH | lch(9.8, 23.6, 290.69) | |
| CIE XYZ | xyz(1.3, 1.101, 4.014) | |
| Decimal | 1055033 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #101939, 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 #101939 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.22:1 | Fail | Fail | Fail |
| Sample text | 17.21:1 | Pass | Pass | Pass |
| #101939 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.21:1 | Pass | Pass | Pass |
| Sample text | 1.22:1 | 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 #101939 looks to people with the most common types of color vision deficiency.
#091d3aProtanopia
no red cones#031938Deuteranopia
no green cones#002026Tritanopia
no blue cones#1b1b1bAchromatopsia
no color vision
CSS examples
.background { background-color: #101939; }
.text { color: #101939; }
.border { border: 2px solid #101939; }
.transparent { background-color: rgb(16 25 57 / 50%); }
.gradient { background: linear-gradient(to right, #101939, #1b1039); }
Similar colors
#161d3bNightwalker#041330Squid’s Ink#151931Dark Knight#071037Infinite Night#112244Dark Eclipse#060929Mysterious Depths#222244Black Market#161e34Sombre Night
Closest common color name: Oxford Blue.
Questions
- What color is #101939?
- #101939 is a very dark, moderate blue, closest to the named color Nightwalker. It belongs to the black family of colors.
- What is the RGB value of #101939?
- The RGB value is 16, 25, 57: 16 red, 25 green and 57 blue on a 0 to 255 scale.
- What is the complementary color of #101939?
- The complementary color is #393010, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #101939?
- White text. Black text has a contrast ratio of 1.22:1 and white text 17.21:1. WCAG asks for at least 4.5:1 for normal text.