#1F3439 color
The hex color #1F3439 is a very dark, desaturated cyan.
In the RGB color model it is made of 12.2% red, 20.4% green and 22.4% blue (31, 52, 57).
Its hue angle is 192°, with 30% saturation and 17% lightness. For print, the CMYK equivalent is 46% cyan, 9% magenta, 0% yellow and 78% black.
The closest named color is Astral Nomad (#203943), a difference of 3.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 13.06:1).
#1F3439 color codes
| HEX | #1F3439 | |
|---|---|---|
| RGB | rgb(31, 52, 57) | |
| RGB percent | rgb(12.2%, 20.4%, 22.4%) | |
| HSL | hsl(192, 30%, 17%) | |
| HSV / HSB | hsv(192, 46%, 22%) | |
| CMYK | cmyk(46%, 9%, 0%, 78%) | |
| CIE LAB | lab(20.21, -6.78, -5.8) | |
| CIE LCH | lch(20.21, 8.92, 220.55) | |
| CIE XYZ | xyz(2.531, 3.043, 4.324) | |
| Decimal | 2044985 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1F3439, 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 #1F3439 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.61:1 | Fail | Fail | Fail |
| Sample text | 13.06:1 | Pass | Pass | Pass |
| #1F3439 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.06:1 | Pass | Pass | Pass |
| Sample text | 1.61:1 | 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 #1F3439 looks to people with the most common types of color vision deficiency.
#303339Protanopia
no red cones#2c2f39Deuteranopia
no green cones#153635Tritanopia
no blue cones#313131Achromatopsia
no color vision
CSS examples
.background { background-color: #1f3439; }
.text { color: #1f3439; }
.border { border: 2px solid #1f3439; }
.transparent { background-color: rgb(31 52 57 / 50%); }
.gradient { background: linear-gradient(to right, #1f3439, #1f2739); }
Similar colors
#203943Astral Nomad#1c3b42Royal Neptune#133337Elite Teal#1c3d44Sunken Harbour#243640Petrol Slumber#1e3642Into the Night#0f282fBlack Box#2a3439Gunmetal
Questions
- What color is #1F3439?
- #1F3439 is a very dark, desaturated cyan, closest to the named color Astral Nomad. It belongs to the gray family of colors.
- What is the RGB value of #1F3439?
- The RGB value is 31, 52, 57: 31 red, 52 green and 57 blue on a 0 to 255 scale.
- What is the complementary color of #1F3439?
- The complementary color is #39241F, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1F3439?
- White text. Black text has a contrast ratio of 1.61:1 and white text 13.06:1. WCAG asks for at least 4.5:1 for normal text.