#1731BA color
The hex color #1731BA is a moderate blue.
In the RGB color model it is made of 9% red, 19.2% green and 72.9% blue (23, 49, 186).
Its hue angle is 230°, with 78% saturation and 41% lightness. For print, the CMYK equivalent is 88% cyan, 74% magenta, 0% yellow and 27% black.
The closest named color is Persian Blue (#1C39BB), a difference of 2.1 ΔE, a small difference.
White text is the more readable choice on this background (contrast 9.61:1).
#1731BA color codes
| HEX | #1731BA | |
|---|---|---|
| RGB | rgb(23, 49, 186) | |
| RGB percent | rgb(9%, 19.2%, 72.9%) | |
| HSL | hsl(230, 78%, 41%) | |
| HSV / HSB | hsv(230, 88%, 73%) | |
| CMYK | cmyk(88%, 74%, 0%, 27%) | |
| CIE LAB | lab(29.22, 43.57, -73.24) | |
| CIE LCH | lch(29.22, 85.22, 300.75) | |
| CIE XYZ | xyz(10.311, 5.923, 47.045) | |
| Decimal | 1520058 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1731BA, 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 #1731BA | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.18:1 | Fail | Fail | Fail |
| Sample text | 9.61:1 | Pass | Pass | Pass |
| #1731BA as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 9.61:1 | Pass | Pass | Pass |
| Sample text | 2.18:1 | 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 #1731BA looks to people with the most common types of color vision deficiency.
#004dbeProtanopia
no red cones#003db8Deuteranopia
no green cones#005973Tritanopia
no blue cones#454545Achromatopsia
no color vision
CSS examples
.background { background-color: #1731ba; }
.text { color: #1731ba; }
.border { border: 2px solid #1731ba; }
.transparent { background-color: rgb(23 49 186 / 50%); }
.gradient { background: linear-gradient(to right, #1731ba, #4f17ba); }
Similar colors
#1c39bbPersian Blue#0033ccSapphire Glitter#0034abBlue Hour#2425b9Sapphire Splendour#002fa6International Klein Blue#1034a6Egyptian Blue#2c319bDepths of Night#1f22d2Lapis on Neptune
Questions
- What color is #1731BA?
- #1731BA is a moderate blue, closest to the named color Persian Blue. It belongs to the blue family of colors.
- What is the RGB value of #1731BA?
- The RGB value is 23, 49, 186: 23 red, 49 green and 186 blue on a 0 to 255 scale.
- What is the complementary color of #1731BA?
- The complementary color is #BAA017, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1731BA?
- White text. Black text has a contrast ratio of 2.18:1 and white text 9.61:1. WCAG asks for at least 4.5:1 for normal text.