#1C1F31 color
The hex color #1C1F31 is a very dark, desaturated blue.
In the RGB color model it is made of 11% red, 12.2% green and 19.2% blue (28, 31, 49).
Its hue angle is 231°, with 27% saturation and 15% lightness. For print, the CMYK equivalent is 43% cyan, 37% magenta, 0% yellow and 81% black.
The closest named color is Eclipse Elixir (#1F2133), a difference of 0.8 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 16.28:1).
#1C1F31 color codes
| HEX | #1C1F31 | |
|---|---|---|
| RGB | rgb(28, 31, 49) | |
| RGB percent | rgb(11%, 12.2%, 19.2%) | |
| HSL | hsl(231, 27%, 15%) | |
| HSV / HSB | hsv(231, 43%, 19%) | |
| CMYK | cmyk(43%, 37%, 0%, 81%) | |
| CIE LAB | lab(12.28, 4.17, -12.35) | |
| CIE LCH | lch(12.28, 13.03, 288.67) | |
| CIE XYZ | xyz(1.523, 1.449, 3.104) | |
| Decimal | 1842993 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1C1F31, 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 #1C1F31 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.29:1 | Fail | Fail | Fail |
| Sample text | 16.28:1 | Pass | Pass | Pass |
| #1C1F31 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.28:1 | Pass | Pass | Pass |
| Sample text | 1.29:1 | 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 #1C1F31 looks to people with the most common types of color vision deficiency.
#192132Protanopia
no red cones#181f31Deuteranopia
no green cones#162225Tritanopia
no blue cones#202020Achromatopsia
no color vision
CSS examples
.background { background-color: #1c1f31; }
.text { color: #1c1f31; }
.border { border: 2px solid #1c1f31; }
.transparent { background-color: rgb(28 31 49 / 50%); }
.gradient { background: linear-gradient(to right, #1c1f31, #241c31); }
Similar colors
#1f2133Eclipse Elixir#222233Black Velvet#161e34Sombre Night#21263aMidnight Express#1e2433Moonless Mystery#151931Dark Knight#111122Corbeau#0e1d32Trapped Darkness
Closest common color name: Oxford Blue.
Questions
- What color is #1C1F31?
- #1C1F31 is a very dark, desaturated blue, closest to the named color Eclipse Elixir. It belongs to the blue family of colors.
- What is the RGB value of #1C1F31?
- The RGB value is 28, 31, 49: 28 red, 31 green and 49 blue on a 0 to 255 scale.
- What is the complementary color of #1C1F31?
- The complementary color is #312E1C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1C1F31?
- White text. Black text has a contrast ratio of 1.29:1 and white text 16.28:1. WCAG asks for at least 4.5:1 for normal text.