#303139 color
The hex color #303139 is a dark, grayish blue.
In the RGB color model it is made of 18.8% red, 19.2% green and 22.4% blue (48, 49, 57).
Its hue angle is 233°, with 9% saturation and 21% lightness. For print, the CMYK equivalent is 16% cyan, 14% magenta, 0% yellow and 78% black.
The closest named color is Night Sky (#292B31), a difference of 2.5 ΔE, a small difference.
White text is the more readable choice on this background (contrast 12.93:1).
#303139 color codes
| HEX | #303139 | |
|---|---|---|
| RGB | rgb(48, 49, 57) | |
| RGB percent | rgb(18.8%, 19.2%, 22.4%) | |
| HSL | hsl(233, 9%, 21%) | |
| HSV / HSB | hsv(233, 16%, 22%) | |
| CMYK | cmyk(16%, 14%, 0%, 78%) | |
| CIE LAB | lab(20.52, 1.57, -5.2) | |
| CIE LCH | lch(20.52, 5.44, 286.81) | |
| CIE XYZ | xyz(3.056, 3.12, 4.311) | |
| Decimal | 3158329 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #303139, 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 #303139 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.62:1 | Fail | Fail | Fail |
| Sample text | 12.93:1 | Pass | Pass | Pass |
| #303139 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.93:1 | Pass | Pass | Pass |
| Sample text | 1.62:1 | 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 #303139 looks to people with the most common types of color vision deficiency.
#2f3239Protanopia
no red cones#2f3139Deuteranopia
no green cones#2e3234Tritanopia
no blue cones#313131Achromatopsia
no color vision
CSS examples
.background { background-color: #303139; }
.text { color: #303139; }
.border { border: 2px solid #303139; }
.transparent { background-color: rgb(48 49 57 / 50%); }
.gradient { background: linear-gradient(to right, #303139, #333039); }
Similar colors
#292b31Night Sky#35343fWitches Cauldron#29292fJaguar#38393fAfter Midnight#2b2c30Caviar#37393eArtist’s Charcoal#28282dAnthracite#303543Total Eclipse
Closest common color name: Jet Black.
Questions
- What color is #303139?
- #303139 is a dark, grayish blue, closest to the named color Night Sky. It belongs to the gray family of colors.
- What is the RGB value of #303139?
- The RGB value is 48, 49, 57: 48 red, 49 green and 57 blue on a 0 to 255 scale.
- What is the complementary color of #303139?
- The complementary color is #393830, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #303139?
- White text. Black text has a contrast ratio of 1.62:1 and white text 12.93:1. WCAG asks for at least 4.5:1 for normal text.