#404B5A color
The hex color #404B5A is a dark, grayish azure.
In the RGB color model it is made of 25.1% red, 29.4% green and 35.3% blue (64, 75, 90).
Its hue angle is 215°, with 17% saturation and 30% lightness. For print, the CMYK equivalent is 29% cyan, 17% magenta, 0% yellow and 65% black.
The closest named color is Starless Night (#3E4855), a difference of 1.3 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 8.85:1).
#404B5A color codes
| HEX | #404B5A | |
|---|---|---|
| RGB | rgb(64, 75, 90) | |
| RGB percent | rgb(25.1%, 29.4%, 35.3%) | |
| HSL | hsl(215, 17%, 30%) | |
| HSV / HSB | hsv(215, 29%, 35%) | |
| CMYK | cmyk(29%, 17%, 0%, 65%) | |
| CIE LAB | lab(31.49, -0.47, -10.29) | |
| CIE LCH | lch(31.49, 10.3, 267.38) | |
| CIE XYZ | xyz(6.475, 6.86, 10.654) | |
| Decimal | 4213594 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #404B5A, 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 #404B5A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.37:1 | Fail | Fail | Fail |
| Sample text | 8.85:1 | Pass | Pass | Pass |
| #404B5A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 8.85:1 | Pass | Pass | Pass |
| Sample text | 2.37:1 | 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 #404B5A looks to people with the most common types of color vision deficiency.
#464c5bProtanopia
no red cones#43495aDeuteranopia
no green cones#394e50Tritanopia
no blue cones#4a4a4aAchromatopsia
no color vision
CSS examples
.background { background-color: #404b5a; }
.text { color: #404b5a; }
.border { border: 2px solid #404b5a; }
.transparent { background-color: rgb(64 75 90 / 50%); }
.gradient { background: linear-gradient(to right, #404b5a, #42405a); }
Similar colors
#3e4855Starless Night#404c57Abyssal#3f4551Dark Crypt#424753Midnight Sky#425267Into the Stratosphere#494d55Isolation#494c55Deep Night#3a4a63Silent Sea
Closest common color name: Charcoal.
Questions
- What color is #404B5A?
- #404B5A is a dark, grayish azure, closest to the named color Starless Night. It belongs to the gray family of colors.
- What is the RGB value of #404B5A?
- The RGB value is 64, 75, 90: 64 red, 75 green and 90 blue on a 0 to 255 scale.
- What is the complementary color of #404B5A?
- The complementary color is #5A4F40, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #404B5A?
- White text. Black text has a contrast ratio of 2.37:1 and white text 8.85:1. WCAG asks for at least 4.5:1 for normal text.