#0A3B39 color
The hex color #0A3B39 is a very dark, moderate cyan.
In the RGB color model it is made of 3.9% red, 23.1% green and 22.4% blue (10, 59, 57).
Its hue angle is 178°, with 71% saturation and 14% lightness. For print, the CMYK equivalent is 83% cyan, 0% magenta, 3% yellow and 77% black.
The closest named color is Botanical Night (#12403C), a difference of 1.8 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 12.37:1).
#0A3B39 color codes
| HEX | #0A3B39 | |
|---|---|---|
| RGB | rgb(10, 59, 57) | |
| RGB percent | rgb(3.9%, 23.1%, 22.4%) | |
| HSL | hsl(178, 71%, 14%) | |
| HSV / HSB | hsv(178, 83%, 23%) | |
| CMYK | cmyk(83%, 0%, 3%, 77%) | |
| CIE LAB | lab(21.9, -16.12, -3.37) | |
| CIE LCH | lch(21.9, 16.47, 191.8) | |
| CIE XYZ | xyz(2.427, 3.488, 4.415) | |
| Decimal | 670521 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0A3B39, 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 #0A3B39 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.7:1 | Fail | Fail | Fail |
| Sample text | 12.37:1 | Pass | Pass | Pass |
| #0A3B39 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 12.37:1 | Pass | Pass | Pass |
| Sample text | 1.7:1 | 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 #0A3B39 looks to people with the most common types of color vision deficiency.
#373739Protanopia
no red cones#303239Deuteranopia
no green cones#003d3aTritanopia
no blue cones#343434Achromatopsia
no color vision
CSS examples
.background { background-color: #0a3b39; }
.text { color: #0a3b39; }
.border { border: 2px solid #0a3b39; }
.transparent { background-color: rgb(10 59 57 / 50%); }
.gradient { background: linear-gradient(to right, #0a3b39, #0a253b); }
Similar colors
#12403cBotanical Night#133337Elite Teal#024a43Tropical Forest#224347Emerald Forest#014d4eDark Teal#1c3d44Sunken Harbour#1c3b42Royal Neptune#27454aMysterious Waters
Questions
- What color is #0A3B39?
- #0A3B39 is a very dark, moderate cyan, closest to the named color Botanical Night. It belongs to the teal family of colors.
- What is the RGB value of #0A3B39?
- The RGB value is 10, 59, 57: 10 red, 59 green and 57 blue on a 0 to 255 scale.
- What is the complementary color of #0A3B39?
- The complementary color is #3B0A0C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0A3B39?
- White text. Black text has a contrast ratio of 1.7:1 and white text 12.37:1. WCAG asks for at least 4.5:1 for normal text.