#0A282D color
The hex color #0A282D is a very dark, moderate cyan.
In the RGB color model it is made of 3.9% red, 15.7% green and 17.6% blue (10, 40, 45).
Its hue angle is 189°, with 64% saturation and 11% lightness. For print, the CMYK equivalent is 78% cyan, 11% magenta, 0% yellow and 82% black.
The closest named color is Black Box (#0F282F), a difference of 2.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 15.51:1).
#0A282D color codes
| HEX | #0A282D | |
|---|---|---|
| RGB | rgb(10, 40, 45) | |
| RGB percent | rgb(3.9%, 15.7%, 17.6%) | |
| HSL | hsl(189, 64%, 11%) | |
| HSV / HSB | hsv(189, 78%, 18%) | |
| CMYK | cmyk(78%, 11%, 0%, 82%) | |
| CIE LAB | lab(14.24, -9.03, -6.56) | |
| CIE LCH | lch(14.24, 11.16, 216) | |
| CIE XYZ | xyz(1.357, 1.771, 2.752) | |
| Decimal | 665645 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0A282D, 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 #0A282D | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.35:1 | Fail | Fail | Fail |
| Sample text | 15.51:1 | Pass | Pass | Pass |
| #0A282D as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 15.51:1 | Pass | Pass | Pass |
| Sample text | 1.35:1 | 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 #0A282D looks to people with the most common types of color vision deficiency.
#24262dProtanopia
no red cones#1f222dDeuteranopia
no green cones#002a29Tritanopia
no blue cones#242424Achromatopsia
no color vision
CSS examples
.background { background-color: #0a282d; }
.text { color: #0a282d; }
.border { border: 2px solid #0a282d; }
.transparent { background-color: rgb(10 40 45 / 50%); }
.gradient { background: linear-gradient(to right, #0a282d, #0a172d); }
Similar colors
#0f282fBlack Box#10252aSunken Ship#133337Elite Teal#162825Swamp Thing#172b36Oceanic Noir#1c3b42Royal Neptune#1c3d44Sunken Harbour#203943Astral Nomad
Closest common color name: Gunmetal.
Questions
- What color is #0A282D?
- #0A282D is a very dark, moderate cyan, closest to the named color Black Box. It belongs to the black family of colors.
- What is the RGB value of #0A282D?
- The RGB value is 10, 40, 45: 10 red, 40 green and 45 blue on a 0 to 255 scale.
- What is the complementary color of #0A282D?
- The complementary color is #2D0F0A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0A282D?
- White text. Black text has a contrast ratio of 1.35:1 and white text 15.51:1. WCAG asks for at least 4.5:1 for normal text.