#37414B color
The hex color #37414B is a dark, grayish azure.
In the RGB color model it is made of 21.6% red, 25.5% green and 29.4% blue (55, 65, 75).
Its hue angle is 210°, with 15% saturation and 25% lightness. For print, the CMYK equivalent is 27% cyan, 13% magenta, 0% yellow and 71% black.
The closest named color is Arsenic (#3B444B), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 10.4:1).
#37414B color codes
| HEX | #37414B | |
|---|---|---|
| RGB | rgb(55, 65, 75) | |
| RGB percent | rgb(21.6%, 25.5%, 29.4%) | |
| HSL | hsl(210, 15%, 25%) | |
| HSV / HSB | hsv(210, 27%, 29%) | |
| CMYK | cmyk(27%, 13%, 0%, 71%) | |
| CIE LAB | lab(27.02, -1.45, -7.41) | |
| CIE LCH | lch(27.02, 7.55, 258.96) | |
| CIE XYZ | xyz(4.735, 5.101, 7.39) | |
| Decimal | 3621195 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #37414B, 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 #37414B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.02:1 | Fail | Fail | Fail |
| Sample text | 10.4:1 | Pass | Pass | Pass |
| #37414B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 10.4:1 | Pass | Pass | Pass |
| Sample text | 2.02:1 | 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 #37414B looks to people with the most common types of color vision deficiency.
#3d414cProtanopia
no red cones#3b3f4bDeuteranopia
no green cones#324344Tritanopia
no blue cones#404040Achromatopsia
no color vision
CSS examples
.background { background-color: #37414b; }
.text { color: #37414b; }
.border { border: 2px solid #37414b; }
.transparent { background-color: rgb(55 65 75 / 50%); }
.gradient { background: linear-gradient(to right, #37414b, #37374b); }
Similar colors
#3b444bArsenic#36454fCharcoal#363b43Do Not Disturb#393f4bInkblot#3e4855Starless Night#3f4551Dark Crypt#303a40Tempest in a Teapot#404c57Abyssal
Questions
- What color is #37414B?
- #37414B is a dark, grayish azure, closest to the named color Arsenic. It belongs to the gray family of colors.
- What is the RGB value of #37414B?
- The RGB value is 55, 65, 75: 55 red, 65 green and 75 blue on a 0 to 255 scale.
- What is the complementary color of #37414B?
- The complementary color is #4B4137, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #37414B?
- White text. Black text has a contrast ratio of 2.02:1 and white text 10.4:1. WCAG asks for at least 4.5:1 for normal text.