#003F4F color
The hex color #003F4F is a very dark, vivid cyan.
In the RGB color model it is made of 0% red, 24.7% green and 31% blue (0, 63, 79).
Its hue angle is 192°, with 100% saturation and 15% lightness. For print, the CMYK equivalent is 100% cyan, 20% magenta, 0% yellow and 69% black.
The closest named color is Cold and Dark (#154250), a difference of 1.8 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 11.51:1).
#003F4F color codes
| HEX | #003F4F | |
|---|---|---|
| RGB | rgb(0, 63, 79) | |
| RGB percent | rgb(0%, 24.7%, 31%) | |
| HSL | hsl(192, 100%, 15%) | |
| HSV / HSB | hsv(192, 100%, 31%) | |
| CMYK | cmyk(100%, 20%, 0%, 69%) | |
| CIE LAB | lab(24.06, -11.43, -14.77) | |
| CIE LCH | lch(24.06, 18.68, 232.28) | |
| CIE XYZ | xyz(3.188, 4.119, 8.023) | |
| Decimal | 16207 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #003F4F, 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 #003F4F | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.82:1 | Fail | Fail | Fail |
| Sample text | 11.51:1 | Pass | Pass | Pass |
| #003F4F as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 11.51:1 | Pass | Pass | Pass |
| Sample text | 1.82:1 | 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 #003F4F looks to people with the most common types of color vision deficiency.
#363d50Protanopia
no red cones#2c364fDeuteranopia
no green cones#004444Tritanopia
no blue cones#393939Achromatopsia
no color vision
CSS examples
.background { background-color: #003f4f; }
.text { color: #003f4f; }
.border { border: 2px solid #003f4f; }
.transparent { background-color: rgb(0 63 79 / 50%); }
.gradient { background: linear-gradient(to right, #003f4f, #00184f); }
Similar colors
#154250Cold and Dark#004058Maniac Mansion#003344Nordic Noir#1c3d44Sunken Harbour#114c5aNocturnal Expedition#254855Mallard#1c3b42Royal Neptune#203943Astral Nomad
Closest common color name: Charcoal.
Questions
- What color is #003F4F?
- #003F4F is a very dark, vivid cyan, closest to the named color Cold and Dark. It belongs to the teal family of colors.
- What is the RGB value of #003F4F?
- The RGB value is 0, 63, 79: 0 red, 63 green and 79 blue on a 0 to 255 scale.
- What is the complementary color of #003F4F?
- The complementary color is #4F1000, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #003F4F?
- White text. Black text has a contrast ratio of 1.82:1 and white text 11.51:1. WCAG asks for at least 4.5:1 for normal text.