#2A578A color
The hex color #2A578A is a dark, moderate azure.
In the RGB color model it is made of 16.5% red, 34.1% green and 54.1% blue (42, 87, 138).
Its hue angle is 212°, with 53% saturation and 35% lightness. For print, the CMYK equivalent is 70% cyan, 37% magenta, 0% yellow and 46% black.
The closest named color is Blue Chip (#1D5699), a difference of 1.9 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 7.42:1).
#2A578A color codes
| HEX | #2A578A | |
|---|---|---|
| RGB | rgb(42, 87, 138) | |
| RGB percent | rgb(16.5%, 34.1%, 54.1%) | |
| HSL | hsl(212, 53%, 35%) | |
| HSV / HSB | hsv(212, 70%, 54%) | |
| CMYK | cmyk(70%, 37%, 0%, 46%) | |
| CIE LAB | lab(36.26, 2.22, -32.91) | |
| CIE LCH | lch(36.26, 32.98, 273.85) | |
| CIE XYZ | xyz(8.949, 9.143, 25.333) | |
| Decimal | 2774922 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #2A578A, 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 #2A578A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.83:1 | Fail | Fail | Fail |
| Sample text | 7.42:1 | Pass | Pass | Pass |
| #2A578A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.42:1 | Pass | Pass | Pass |
| Sample text | 2.83:1 | 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 #2A578A looks to people with the most common types of color vision deficiency.
#405a8cProtanopia
no red cones#335189Deuteranopia
no green cones#00636aTritanopia
no blue cones#555555Achromatopsia
no color vision
CSS examples
.background { background-color: #2a578a; }
.text { color: #2a578a; }
.border { border: 2px solid #2a578a; }
.transparent { background-color: rgb(42 87 138 / 50%); }
.gradient { background: linear-gradient(to right, #2a578a, #2d2a8a); }
Similar colors
#1d5699Blue Chip#225599Fist of the North Star#335588Glimpse of Void#2d5284Galaxy Blue#2d517cSlumber#234e86Night Mode#2d4f83Assassin#1c4d8fDancing Sea
Closest common color name: Sapphire.
Questions
- What color is #2A578A?
- #2A578A is a dark, moderate azure, closest to the named color Blue Chip. It belongs to the blue family of colors.
- What is the RGB value of #2A578A?
- The RGB value is 42, 87, 138: 42 red, 87 green and 138 blue on a 0 to 255 scale.
- What is the complementary color of #2A578A?
- The complementary color is #8A5D2A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #2A578A?
- White text. Black text has a contrast ratio of 2.83:1 and white text 7.42:1. WCAG asks for at least 4.5:1 for normal text.