#313A3F color
The hex color #313A3F is a dark, grayish azure.
In the RGB color model it is made of 19.2% red, 22.7% green and 24.7% blue (49, 58, 63).
Its hue angle is 201°, with 13% saturation and 22% lightness. For print, the CMYK equivalent is 22% cyan, 8% magenta, 0% yellow and 75% black.
The closest named color is Tempest in a Teapot (#303A40), a difference of 0.6 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.62:1).
#313A3F color codes
| HEX | #313A3F | |
|---|---|---|
| RGB | rgb(49, 58, 63) | |
| RGB percent | rgb(19.2%, 22.7%, 24.7%) | |
| HSL | hsl(201, 13%, 22%) | |
| HSV / HSB | hsv(201, 22%, 25%) | |
| CMYK | cmyk(22%, 8%, 0%, 75%) | |
| CIE LAB | lab(23.8, -2.44, -4.35) | |
| CIE LCH | lch(23.8, 4.99, 240.76) | |
| CIE XYZ | xyz(3.677, 4.038, 5.287) | |
| Decimal | 3226175 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #313A3F, 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 #313A3F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.81:1 | Fail | Fail | Fail |
| Sample text | 11.62:1 | Pass | Pass | Pass |
| #313A3F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.62:1 | Pass | Pass | Pass |
| Sample text | 1.81:1 | 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 #313A3F looks to people with the most common types of color vision deficiency.
#383a3fProtanopia
no red cones#36383fDeuteranopia
no green cones#2d3b3cTritanopia
no blue cones#393939Achromatopsia
no color vision
CSS examples
.background { background-color: #313a3f; }
.text { color: #313a3f; }
.border { border: 2px solid #313a3f; }
.transparent { background-color: rgb(49 58 63 / 50%); }
.gradient { background: linear-gradient(to right, #313a3f, #31333f); }
Similar colors
#303a40Tempest in a Teapot#2a3439Gunmetal#293135Nightmare Fuel#363b43Do Not Disturb#3b3f40Tamahagane#3b444bArsenic#36383cVulcan#2f3434Phantom Ship
Questions
- What color is #313A3F?
- #313A3F is a dark, grayish azure, closest to the named color Tempest in a Teapot. It belongs to the gray family of colors.
- What is the RGB value of #313A3F?
- The RGB value is 49, 58, 63: 49 red, 58 green and 63 blue on a 0 to 255 scale.
- What is the complementary color of #313A3F?
- The complementary color is #3F3631, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #313A3F?
- White text. Black text has a contrast ratio of 1.81:1 and white text 11.62:1. WCAG asks for at least 4.5:1 for normal text.