#0A1554 color
The hex color #0A1554 is a very dark, moderate blue.
In the RGB color model it is made of 3.9% red, 8.2% green and 32.9% blue (10, 21, 84).
Its hue angle is 231°, with 79% saturation and 18% lightness. For print, the CMYK equivalent is 88% cyan, 75% magenta, 0% yellow and 67% black.
The closest named color is Interstellar Blue (#001155), a difference of 1.4 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 16.82:1).
#0A1554 color codes
| HEX | #0A1554 | |
|---|---|---|
| RGB | rgb(10, 21, 84) | |
| RGB percent | rgb(3.9%, 8.2%, 32.9%) | |
| HSL | hsl(231, 79%, 18%) | |
| HSV / HSB | hsv(231, 88%, 33%) | |
| CMYK | cmyk(88%, 75%, 0%, 67%) | |
| CIE LAB | lab(10.85, 22.13, -39.24) | |
| CIE LCH | lch(10.85, 45.05, 299.41) | |
| CIE XYZ | xyz(1.993, 1.241, 8.52) | |
| Decimal | 660820 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #0A1554, 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 #0A1554 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.25:1 | Fail | Fail | Fail |
| Sample text | 16.82:1 | Pass | Pass | Pass |
| #0A1554 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 16.82:1 | Pass | Pass | Pass |
| Sample text | 1.25:1 | 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 #0A1554 looks to people with the most common types of color vision deficiency.
#002156Protanopia
no red cones#001a53Deuteranopia
no green cones#002632Tritanopia
no blue cones#1d1d1dAchromatopsia
no color vision
CSS examples
.background { background-color: #0a1554; }
.text { color: #0a1554; }
.border { border: 2px solid #0a1554; }
.transparent { background-color: rgb(10 21 84 / 50%); }
.gradient { background: linear-gradient(to right, #0a1554, #240a54); }
Similar colors
#001155Interstellar Blue#150f5bSpace Colonisation#000b44Storm#111144Deadly Depths#0f084bSilent Twilight#111166Dying Storm Blue#1c1e4dFly-by-Night#222266Intergalactic Cowboy
Closest common color name: Midnight Blue.
Questions
- What color is #0A1554?
- #0A1554 is a very dark, moderate blue, closest to the named color Interstellar Blue. It belongs to the black family of colors.
- What is the RGB value of #0A1554?
- The RGB value is 10, 21, 84: 10 red, 21 green and 84 blue on a 0 to 255 scale.
- What is the complementary color of #0A1554?
- The complementary color is #54490A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #0A1554?
- White text. Black text has a contrast ratio of 1.25:1 and white text 16.82:1. WCAG asks for at least 4.5:1 for normal text.