#171E4E color
The hex color #171E4E is a very dark, moderate blue.
In the RGB color model it is made of 9% red, 11.8% green and 30.6% blue (23, 30, 78).
Its hue angle is 232°, with 54% saturation and 20% lightness. For print, the CMYK equivalent is 71% cyan, 62% magenta, 0% yellow and 69% black.
The closest named color is Fly-by-Night (#1C1E4D), a difference of 1.1 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 15.76:1).
#171E4E color codes
| HEX | #171E4E | |
|---|---|---|
| RGB | rgb(23, 30, 78) | |
| RGB percent | rgb(9%, 11.8%, 30.6%) | |
| HSL | hsl(232, 54%, 20%) | |
| HSV / HSB | hsv(232, 71%, 31%) | |
| CMYK | cmyk(71%, 62%, 0%, 69%) | |
| CIE LAB | lab(13.59, 14.77, -30.63) | |
| CIE LCH | lch(13.59, 34.01, 295.73) | |
| CIE XYZ | xyz(2.192, 1.661, 7.411) | |
| Decimal | 1515086 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #171E4E, 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 #171E4E | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.33:1 | Fail | Fail | Fail |
| Sample text | 15.76:1 | Pass | Pass | Pass |
| #171E4E as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 15.76:1 | Pass | Pass | Pass |
| Sample text | 1.33:1 | 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 #171E4E looks to people with the most common types of color vision deficiency.
#002550Protanopia
no red cones#00204dDeuteranopia
no green cones#002932Tritanopia
no blue cones#232323Achromatopsia
no color vision
CSS examples
.background { background-color: #171e4e; }
.text { color: #171e4e; }
.border { border: 2px solid #171e4e; }
.transparent { background-color: rgb(23 30 78 / 50%); }
.gradient { background: linear-gradient(to right, #171e4e, #2c174e); }
Similar colors
#1c1e4dFly-by-Night#222255Spacescape#112255Dark Soul#112358Fibonacci Blue#211d49Azulado#231c4dSilent Orbit#1d2951Space Cadet#2a2551Pāua
Closest common color name: Oxford Blue.
Questions
- What color is #171E4E?
- #171E4E is a very dark, moderate blue, closest to the named color Fly-by-Night. It belongs to the blue family of colors.
- What is the RGB value of #171E4E?
- The RGB value is 23, 30, 78: 23 red, 30 green and 78 blue on a 0 to 255 scale.
- What is the complementary color of #171E4E?
- The complementary color is #4E4717, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #171E4E?
- White text. Black text has a contrast ratio of 1.33:1 and white text 15.76:1. WCAG asks for at least 4.5:1 for normal text.