#232F37 color
The hex color #232F37 is a very dark, grayish azure.
In the RGB color model it is made of 13.7% red, 18.4% green and 21.6% blue (35, 47, 55).
Its hue angle is 204°, with 22% saturation and 18% lightness. For print, the CMYK equivalent is 36% cyan, 15% magenta, 0% yellow and 78% black.
The closest named color is Gunmetal (#2A3439), a difference of 2.4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 13.7:1).
#232F37 color codes
| HEX | #232F37 | |
|---|---|---|
| RGB | rgb(35, 47, 55) | |
| RGB percent | rgb(13.7%, 18.4%, 21.6%) | |
| HSL | hsl(204, 22%, 18%) | |
| HSV / HSB | hsv(204, 36%, 22%) | |
| CMYK | cmyk(36%, 15%, 0%, 78%) | |
| CIE LAB | lab(18.65, -2.7, -6.75) | |
| CIE LCH | lch(18.65, 7.27, 248.19) | |
| CIE XYZ | xyz(2.399, 2.666, 4.002) | |
| Decimal | 2305847 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #232F37, 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 #232F37 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.53:1 | Fail | Fail | Fail |
| Sample text | 13.7:1 | Pass | Pass | Pass |
| #232F37 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.7:1 | Pass | Pass | Pass |
| Sample text | 1.53:1 | 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 #232F37 looks to people with the most common types of color vision deficiency.
#2b2f37Protanopia
no red cones#292c37Deuteranopia
no green cones#1d3132Tritanopia
no blue cones#2d2d2dAchromatopsia
no color vision
CSS examples
.background { background-color: #232f37; }
.text { color: #232f37; }
.border { border: 2px solid #232f37; }
.transparent { background-color: rgb(35 47 55 / 50%); }
.gradient { background: linear-gradient(to right, #232f37, #232537); }
Similar colors
#2a3439Gunmetal#293135Nightmare Fuel#243640Petrol Slumber#1e272cBlack Pearl#172b36Oceanic Noir#242a2eCinder#1e3442Blue Whale#303a40Tempest in a Teapot
Questions
- What color is #232F37?
- #232F37 is a very dark, grayish azure, closest to the named color Gunmetal. It belongs to the black family of colors.
- What is the RGB value of #232F37?
- The RGB value is 35, 47, 55: 35 red, 47 green and 55 blue on a 0 to 255 scale.
- What is the complementary color of #232F37?
- The complementary color is #372B23, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #232F37?
- White text. Black text has a contrast ratio of 1.53:1 and white text 13.7:1. WCAG asks for at least 4.5:1 for normal text.