#284E83 color
The hex color #284E83 is a dark, moderate azure.
In the RGB color model it is made of 15.7% red, 30.6% green and 51.4% blue (40, 78, 131).
Its hue angle is 215°, with 53% saturation and 34% lightness. For print, the CMYK equivalent is 69% cyan, 40% magenta, 0% yellow and 49% black.
The closest named color is Night Mode (#234E86), a difference of 0.7 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 8.37:1).
#284E83 color codes
| HEX | #284E83 | |
|---|---|---|
| RGB | rgb(40, 78, 131) | |
| RGB percent | rgb(15.7%, 30.6%, 51.4%) | |
| HSL | hsl(215, 53%, 34%) | |
| HSV / HSB | hsv(215, 69%, 51%) | |
| CMYK | cmyk(69%, 40%, 0%, 49%) | |
| CIE LAB | lab(33, 5.09, -33.79) | |
| CIE LCH | lch(33, 34.17, 278.56) | |
| CIE XYZ | xyz(7.695, 7.538, 22.518) | |
| Decimal | 2641539 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #284E83, 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 #284E83 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.51:1 | Fail | Fail | Fail |
| Sample text | 8.37:1 | Pass | Pass | Pass |
| #284E83 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 8.37:1 | Pass | Pass | Pass |
| Sample text | 2.51:1 | 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 #284E83 looks to people with the most common types of color vision deficiency.
#365285Protanopia
no red cones#284a82Deuteranopia
no green cones#005a62Tritanopia
no blue cones#4e4e4eAchromatopsia
no color vision
CSS examples
.background { background-color: #284e83; }
.text { color: #284e83; }
.border { border: 2px solid #284e83; }
.transparent { background-color: rgb(40 78 131 / 50%); }
.gradient { background: linear-gradient(to right, #284e83, #2f2883); }
Similar colors
#234e86Night Mode#2d4f83Assassin#2d5284Galaxy Blue#1c4c8cOlympian Blue#2d517cSlumber#1c4d8fDancing Sea#2e5090Nightly Activities#2e4a7dNautical
Closest common color name: Cobalt Blue.
Questions
- What color is #284E83?
- #284E83 is a dark, moderate azure, closest to the named color Night Mode. It belongs to the blue family of colors.
- What is the RGB value of #284E83?
- The RGB value is 40, 78, 131: 40 red, 78 green and 131 blue on a 0 to 255 scale.
- What is the complementary color of #284E83?
- The complementary color is #835D28, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #284E83?
- White text. Black text has a contrast ratio of 2.51:1 and white text 8.37:1. WCAG asks for at least 4.5:1 for normal text.