#23313F color
The hex color #23313F is a very dark, desaturated azure.
In the RGB color model it is made of 13.7% red, 19.2% green and 24.7% blue (35, 49, 63).
Its hue angle is 210°, with 29% saturation and 19% lightness. For print, the CMYK equivalent is 44% cyan, 22% magenta, 0% yellow and 75% black.
The closest named color is Blue Whale (#1E3442), a difference of 3 ΔE, a small difference.
White text is the more readable choice on this background (contrast 13.27:1).
#23313F color codes
| HEX | #23313F | |
|---|---|---|
| RGB | rgb(35, 49, 63) | |
| RGB percent | rgb(13.7%, 19.2%, 24.7%) | |
| HSL | hsl(210, 29%, 19%) | |
| HSV / HSB | hsv(210, 44%, 25%) | |
| CMYK | cmyk(44%, 22%, 0%, 75%) | |
| CIE LAB | lab(19.69, -1.5, -10.66) | |
| CIE LCH | lch(19.69, 10.77, 262.01) | |
| CIE XYZ | xyz(2.688, 2.913, 5.122) | |
| Decimal | 2306367 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #23313F, 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 #23313F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.58:1 | Fail | Fail | Fail |
| Sample text | 13.27:1 | Pass | Pass | Pass |
| #23313F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.27:1 | Pass | Pass | Pass |
| Sample text | 1.58:1 | 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 #23313F looks to people with the most common types of color vision deficiency.
#2c3140Protanopia
no red cones#282e3fDeuteranopia
no green cones#193436Tritanopia
no blue cones#303030Achromatopsia
no color vision
CSS examples
.background { background-color: #23313f; }
.text { color: #23313f; }
.border { border: 2px solid #23313f; }
.transparent { background-color: rgb(35 49 63 / 50%); }
.gradient { background: linear-gradient(to right, #23313f, #23233f); }
Similar colors
#1e3442Blue Whale#243640Petrol Slumber#172b36Oceanic Noir#222831Infinity#1b2431Dark#1e3642Into the Night#303543Total Eclipse#2a3439Gunmetal
Questions
- What color is #23313F?
- #23313F is a very dark, desaturated azure, closest to the named color Blue Whale. It belongs to the black family of colors.
- What is the RGB value of #23313F?
- The RGB value is 35, 49, 63: 35 red, 49 green and 63 blue on a 0 to 255 scale.
- What is the complementary color of #23313F?
- The complementary color is #3F3123, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #23313F?
- White text. Black text has a contrast ratio of 1.58:1 and white text 13.27:1. WCAG asks for at least 4.5:1 for normal text.