#0A3255 color
The hex color #0A3255 is a very dark, moderate azure.
In the RGB color model it is made of 3.9% red, 19.6% green and 33.3% blue (10, 50, 85).
Its hue angle is 208°, with 79% saturation and 19% lightness. For print, the CMYK equivalent is 88% cyan, 41% magenta, 0% yellow and 67% black.
The closest named color is Prussian Blue (#003153), a difference of 1.3 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 13.12:1).
#0A3255 color codes
| HEX | #0A3255 | |
|---|---|---|
| RGB | rgb(10, 50, 85) | |
| RGB percent | rgb(3.9%, 19.6%, 33.3%) | |
| HSL | hsl(208, 79%, 19%) | |
| HSV / HSB | hsv(208, 88%, 33%) | |
| CMYK | cmyk(88%, 41%, 0%, 67%) | |
| CIE LAB | lab(20.05, 0.94, -25.03) | |
| CIE LCH | lch(20.05, 25.05, 272.16) | |
| CIE XYZ | xyz(2.905, 3.001, 9.019) | |
| Decimal | 668245 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0A3255, 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 #0A3255 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.6:1 | Fail | Fail | Fail |
| Sample text | 13.12:1 | Pass | Pass | Pass |
| #0A3255 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.12:1 | Pass | Pass | Pass |
| Sample text | 1.6:1 | 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 #0A3255 looks to people with the most common types of color vision deficiency.
#213456Protanopia
no red cones#162d54Deuteranopia
no green cones#003a3fTritanopia
no blue cones#303030Achromatopsia
no color vision
CSS examples
.background { background-color: #0a3255; }
.text { color: #0a3255; }
.border { border: 2px solid #0a3255; }
.transparent { background-color: rgb(10 50 85 / 50%); }
.gradient { background: linear-gradient(to right, #0a3255, #0a0c55); }
Similar colors
#003153Prussian Blue#0a3251Beyond the Stars#0f2d4dMidnight Ocean#003368Neptune’s Dream#042e60Marine#03386aLost in Space#143c5dPoseidon#0b334dSea of Stars
Questions
- What color is #0A3255?
- #0A3255 is a very dark, moderate azure, closest to the named color Prussian Blue. It belongs to the blue family of colors.
- What is the RGB value of #0A3255?
- The RGB value is 10, 50, 85: 10 red, 50 green and 85 blue on a 0 to 255 scale.
- What is the complementary color of #0A3255?
- The complementary color is #552D0A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0A3255?
- White text. Black text has a contrast ratio of 1.6:1 and white text 13.12:1. WCAG asks for at least 4.5:1 for normal text.