#373A4F color
The hex color #373A4F is a dark, grayish blue.
In the RGB color model it is made of 21.6% red, 22.7% green and 31% blue (55, 58, 79).
Its hue angle is 233°, with 18% saturation and 26% lightness. For print, the CMYK equivalent is 30% cyan, 27% magenta, 0% yellow and 69% black.
The closest named color is Shuriken (#333344), a difference of 2.9 ΔE, a small difference.
White text is the more readable choice on this background (contrast 11.17:1).
#373A4F color codes
| HEX | #373A4F | |
|---|---|---|
| RGB | rgb(55, 58, 79) | |
| RGB percent | rgb(21.6%, 22.7%, 31%) | |
| HSL | hsl(233, 18%, 26%) | |
| HSV / HSB | hsv(233, 30%, 31%) | |
| CMYK | cmyk(30%, 27%, 0%, 69%) | |
| CIE LAB | lab(24.96, 4.32, -13.17) | |
| CIE LCH | lch(24.96, 13.87, 288.16) | |
| CIE XYZ | xyz(4.5, 4.403, 8.008) | |
| Decimal | 3619407 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #373A4F, 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 #373A4F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.88:1 | Fail | Fail | Fail |
| Sample text | 11.17:1 | Pass | Pass | Pass |
| #373A4F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.17:1 | Pass | Pass | Pass |
| Sample text | 1.88:1 | 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 #373A4F looks to people with the most common types of color vision deficiency.
#343c50Protanopia
no red cones#333a4eDeuteranopia
no green cones#313e41Tritanopia
no blue cones#3b3b3bAchromatopsia
no color vision
CSS examples
.background { background-color: #373a4f; }
.text { color: #373a4f; }
.border { border: 2px solid #373a4f; }
.transparent { background-color: rgb(55 58 79 / 50%); }
.gradient { background: linear-gradient(to right, #373a4f, #40374f); }
Similar colors
#333344Shuriken#3c4151Lava Stone#3f4250Madonna#303543Total Eclipse#2c2e47Midnight Masquerade#413d4bItalian Grape#353f51Dark & Stormy#2e3858Mediaeval Blue
Closest common color name: Charcoal.
Questions
- What color is #373A4F?
- #373A4F is a dark, grayish blue, closest to the named color Shuriken. It belongs to the blue family of colors.
- What is the RGB value of #373A4F?
- The RGB value is 55, 58, 79: 55 red, 58 green and 79 blue on a 0 to 255 scale.
- What is the complementary color of #373A4F?
- The complementary color is #4F4C37, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #373A4F?
- White text. Black text has a contrast ratio of 1.88:1 and white text 11.17:1. WCAG asks for at least 4.5:1 for normal text.