#303640 color
The hex color #303640 is a dark, grayish azure.
In the RGB color model it is made of 18.8% red, 21.2% green and 25.1% blue (48, 54, 64).
Its hue angle is 218°, with 14% saturation and 22% lightness. For print, the CMYK equivalent is 25% cyan, 16% magenta, 0% yellow and 75% black.
The closest named color is Do Not Disturb (#363B43), a difference of 2 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 12.16:1).
#303640 color codes
| HEX | #303640 | |
|---|---|---|
| RGB | rgb(48, 54, 64) | |
| RGB percent | rgb(18.8%, 21.2%, 25.1%) | |
| HSL | hsl(218, 14%, 22%) | |
| HSV / HSB | hsv(218, 25%, 25%) | |
| CMYK | cmyk(25%, 16%, 0%, 75%) | |
| CIE LAB | lab(22.43, 0.11, -7.08) | |
| CIE LCH | lch(22.43, 7.08, 270.85) | |
| CIE XYZ | xyz(3.463, 3.637, 5.369) | |
| Decimal | 3159616 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #303640, 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 #303640 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.73:1 | Fail | Fail | Fail |
| Sample text | 12.16:1 | Pass | Pass | Pass |
| #303640 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.16:1 | Pass | Pass | Pass |
| Sample text | 1.73:1 | 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 #303640 looks to people with the most common types of color vision deficiency.
#333640Protanopia
no red cones#313540Deuteranopia
no green cones#2c3839Tritanopia
no blue cones#363636Achromatopsia
no color vision
CSS examples
.background { background-color: #303640; }
.text { color: #303640; }
.border { border: 2px solid #303640; }
.transparent { background-color: rgb(48 54 64 / 50%); }
.gradient { background: linear-gradient(to right, #303640, #323040); }
Similar colors
#363b43Do Not Disturb#303543Total Eclipse#393f4bInkblot#38393fAfter Midnight#37393eArtist’s Charcoal#36383cVulcan#3b3c41In the Dark#303a40Tempest in a Teapot
Closest common color name: Gunmetal.
Questions
- What color is #303640?
- #303640 is a dark, grayish azure, closest to the named color Do Not Disturb. It belongs to the gray family of colors.
- What is the RGB value of #303640?
- The RGB value is 48, 54, 64: 48 red, 54 green and 64 blue on a 0 to 255 scale.
- What is the complementary color of #303640?
- The complementary color is #403A30, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #303640?
- White text. Black text has a contrast ratio of 1.73:1 and white text 12.16:1. WCAG asks for at least 4.5:1 for normal text.