#182B3F color
The hex color #182B3F is a very dark, desaturated azure.
In the RGB color model it is made of 9.4% red, 16.9% green and 24.7% blue (24, 43, 63).
Its hue angle is 211°, with 45% saturation and 17% lightness. For print, the CMYK equivalent is 62% cyan, 32% magenta, 0% yellow and 75% black.
The closest named color is The Count’s Black (#102030), a difference of 3.7 ΔE, a small difference.
White text is the more readable choice on this background (contrast 14.42:1).
#182B3F color codes
| HEX | #182B3F | |
|---|---|---|
| RGB | rgb(24, 43, 63) | |
| RGB percent | rgb(9.4%, 16.9%, 24.7%) | |
| HSL | hsl(211, 45%, 17%) | |
| HSV / HSB | hsv(211, 62%, 25%) | |
| CMYK | cmyk(62%, 32%, 0%, 75%) | |
| CIE LAB | lab(16.9, -0.66, -15.04) | |
| CIE LCH | lch(16.9, 15.06, 267.48) | |
| CIE XYZ | xyz(2.137, 2.281, 5.029) | |
| Decimal | 1583935 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #182B3F, 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 #182B3F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.46:1 | Fail | Fail | Fail |
| Sample text | 14.42:1 | Pass | Pass | Pass |
| #182B3F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14.42:1 | Pass | Pass | Pass |
| Sample text | 1.46:1 | 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 #182B3F looks to people with the most common types of color vision deficiency.
#232c40Protanopia
no red cones#1e283fDeuteranopia
no green cones#023032Tritanopia
no blue cones#2a2a2aAchromatopsia
no color vision
CSS examples
.background { background-color: #182b3f; }
.text { color: #182b3f; }
.border { border: 2px solid #182b3f; }
.transparent { background-color: rgb(24 43 63 / 50%); }
.gradient { background: linear-gradient(to right, #182b3f, #18183f); }
Similar colors
#102030The Count’s Black#1b2431Dark#0f2d4dMidnight Ocean#0b334dSea of Stars#0a3251Beyond the Stars#1c2841Eternal Darkness#1e2433Moonless Mystery#0e1d32Trapped Darkness
Closest common color name: Prussian Blue.
Questions
- What color is #182B3F?
- #182B3F is a very dark, desaturated azure, closest to the named color The Count’s Black. It belongs to the blue family of colors.
- What is the RGB value of #182B3F?
- The RGB value is 24, 43, 63: 24 red, 43 green and 63 blue on a 0 to 255 scale.
- What is the complementary color of #182B3F?
- The complementary color is #3F2C18, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #182B3F?
- White text. Black text has a contrast ratio of 1.46:1 and white text 14.42:1. WCAG asks for at least 4.5:1 for normal text.