#003540 color
The hex color #003540 is a very dark, vivid cyan.
In the RGB color model it is made of 0% red, 20.8% green and 25.1% blue (0, 53, 64).
Its hue angle is 190°, with 100% saturation and 13% lightness. For print, the CMYK equivalent is 100% cyan, 17% magenta, 0% yellow and 75% black.
The closest named color is Royal Neptune (#1C3B42), a difference of 3.6 ΔE, a small difference.
White text is the more readable choice on this background (contrast 13.26:1).
#003540 color codes
| HEX | #003540 | |
|---|---|---|
| RGB | rgb(0, 53, 64) | |
| RGB percent | rgb(0%, 20.8%, 25.1%) | |
| HSL | hsl(190, 100%, 13%) | |
| HSV / HSB | hsv(190, 100%, 25%) | |
| CMYK | cmyk(100%, 17%, 0%, 75%) | |
| CIE LAB | lab(19.7, -11.45, -11.45) | |
| CIE LCH | lch(19.7, 16.19, 225.01) | |
| CIE XYZ | xyz(2.198, 2.916, 5.296) | |
| Decimal | 13632 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #003540, 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 #003540 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.58:1 | Fail | Fail | Fail |
| Sample text | 13.26:1 | Pass | Pass | Pass |
| #003540 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 13.26:1 | 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 #003540 looks to people with the most common types of color vision deficiency.
#2e3341Protanopia
no red cones#262d40Deuteranopia
no green cones#003938Tritanopia
no blue cones#303030Achromatopsia
no color vision
CSS examples
.background { background-color: #003540; }
.text { color: #003540; }
.border { border: 2px solid #003540; }
.transparent { background-color: rgb(0 53 64 / 50%); }
.gradient { background: linear-gradient(to right, #003540, #001540); }
Similar colors
#1c3b42Royal Neptune#133337Elite Teal#1c3d44Sunken Harbour#003344Nordic Noir#154250Cold and Dark#203943Astral Nomad#0f282fBlack Box#1e3642Into the Night
Closest common color name: Gunmetal.
Questions
- What color is #003540?
- #003540 is a very dark, vivid cyan, closest to the named color Royal Neptune. It belongs to the teal family of colors.
- What is the RGB value of #003540?
- The RGB value is 0, 53, 64: 0 red, 53 green and 64 blue on a 0 to 255 scale.
- What is the complementary color of #003540?
- The complementary color is #400B00, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #003540?
- White text. Black text has a contrast ratio of 1.58:1 and white text 13.26:1. WCAG asks for at least 4.5:1 for normal text.