#031B1F color
The hex color #031B1F is a very dark, vivid cyan.
In the RGB color model it is made of 1.2% red, 10.6% green and 12.2% blue (3, 27, 31).
Its hue angle is 189°, with 82% saturation and 7% lightness. For print, the CMYK equivalent is 90% cyan, 13% magenta, 0% yellow and 88% black.
The closest named color is Sunken Ship (#10252A), a difference of 3.3 ΔE, a small difference.
White text is the more readable choice on this background (contrast 17.79:1).
#031B1F color codes
| HEX | #031B1F | |
|---|---|---|
| RGB | rgb(3, 27, 31) | |
| RGB percent | rgb(1.2%, 10.6%, 12.2%) | |
| HSL | hsl(189, 82%, 7%) | |
| HSV / HSB | hsv(189, 90%, 12%) | |
| CMYK | cmyk(90%, 13%, 0%, 88%) | |
| CIE LAB | lab(8.15, -7.4, -5.6) | |
| CIE LCH | lch(8.15, 9.28, 217.14) | |
| CIE XYZ | xyz(0.677, 0.902, 1.435) | |
| Decimal | 203551 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #031B1F, 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 #031B1F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.18:1 | Fail | Fail | Fail |
| Sample text | 17.79:1 | Pass | Pass | Pass |
| #031B1F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 17.79:1 | Pass | Pass | Pass |
| Sample text | 1.18:1 | 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 #031B1F looks to people with the most common types of color vision deficiency.
#181a1fProtanopia
no red cones#13161fDeuteranopia
no green cones#001d1cTritanopia
no blue cones#181818Achromatopsia
no color vision
CSS examples
.background { background-color: #031b1f; }
.text { color: #031b1f; }
.border { border: 2px solid #031b1f; }
.transparent { background-color: rgb(3 27 31 / 50%); }
.gradient { background: linear-gradient(to right, #031b1f, #030d1f); }
Similar colors
#10252aSunken Ship#0e191cBlack Stallion#0f282fBlack Box#162825Swamp Thing#1e272cBlack Pearl#172b36Oceanic Noir#002233Midnight Dreams#041108Jedi Night
Closest common color name: Rich Black.
Questions
- What color is #031B1F?
- #031B1F is a very dark, vivid cyan, closest to the named color Sunken Ship. It belongs to the black family of colors.
- What is the RGB value of #031B1F?
- The RGB value is 3, 27, 31: 3 red, 27 green and 31 blue on a 0 to 255 scale.
- What is the complementary color of #031B1F?
- The complementary color is #1F0703, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #031B1F?
- White text. Black text has a contrast ratio of 1.18:1 and white text 17.79:1. WCAG asks for at least 4.5:1 for normal text.