#303137 color
The hex color #303137 is a dark gray.
In the RGB color model it is made of 18.8% red, 19.2% green and 21.6% blue (48, 49, 55).
Its hue angle is 231°, with 7% saturation and 20% lightness. For print, the CMYK equivalent is 13% cyan, 11% magenta, 0% yellow and 78% black.
The closest named color is Caviar (#2B2C30), a difference of 2.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 12.96:1).
#303137 color codes
| HEX | #303137 | |
|---|---|---|
| RGB | rgb(48, 49, 55) | |
| RGB percent | rgb(18.8%, 19.2%, 21.6%) | |
| HSL | hsl(231, 7%, 20%) | |
| HSV / HSB | hsv(231, 13%, 22%) | |
| CMYK | cmyk(13%, 11%, 0%, 78%) | |
| CIE LAB | lab(20.44, 1.05, -3.95) | |
| CIE LCH | lch(20.44, 4.09, 284.88) | |
| CIE XYZ | xyz(3.007, 3.101, 4.054) | |
| Decimal | 3158327 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #303137, 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 #303137 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.62:1 | Fail | Fail | Fail |
| Sample text | 12.96:1 | Pass | Pass | Pass |
| #303137 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.96:1 | 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 #303137 looks to people with the most common types of color vision deficiency.
#303237Protanopia
no red cones#2f3137Deuteranopia
no green cones#2f3233Tritanopia
no blue cones#313131Achromatopsia
no color vision
CSS examples
.background { background-color: #303137; }
.text { color: #303137; }
.border { border: 2px solid #303137; }
.transparent { background-color: rgb(48 49 55 / 50%); }
.gradient { background: linear-gradient(to right, #303137, #333037); }
Similar colors
#2b2c30Caviar#292b31Night Sky#29292fJaguar#38393fAfter Midnight#36383cVulcan#37393eArtist’s Charcoal#28282dAnthracite#35343fWitches Cauldron
Closest common color name: Jet Black.
Questions
- What color is #303137?
- #303137 is a dark gray, closest to the named color Caviar. It belongs to the gray family of colors.
- What is the RGB value of #303137?
- The RGB value is 48, 49, 55: 48 red, 49 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #303137?
- The complementary color is #373630, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #303137?
- White text. Black text has a contrast ratio of 1.62:1 and white text 12.96:1. WCAG asks for at least 4.5:1 for normal text.