#1B504E color
The hex color #1B504E is a dark, desaturated cyan.
In the RGB color model it is made of 10.6% red, 31.4% green and 30.6% blue (27, 80, 78).
Its hue angle is 178°, with 50% saturation and 21% lightness. For print, the CMYK equivalent is 66% cyan, 0% magenta, 2% yellow and 69% black.
The closest named color is Dark Teal (#014D4E), a difference of 2.4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 9.11:1).
#1B504E color codes
| HEX | #1B504E | |
|---|---|---|
| RGB | rgb(27, 80, 78) | |
| RGB percent | rgb(10.6%, 31.4%, 30.6%) | |
| HSL | hsl(178, 50%, 21%) | |
| HSV / HSB | hsv(178, 66%, 31%) | |
| CMYK | cmyk(66%, 0%, 2%, 69%) | |
| CIE LAB | lab(30.69, -17.78, -4.02) | |
| CIE LCH | lch(30.69, 18.23, 192.75) | |
| CIE XYZ | xyz(4.695, 6.52, 8.217) | |
| Decimal | 1790030 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #1B504E, 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 #1B504E | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.3:1 | Fail | Fail | Fail |
| Sample text | 9.11:1 | Pass | Pass | Pass |
| #1B504E as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 9.11:1 | Pass | Pass | Pass |
| Sample text | 2.3:1 | 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 #1B504E looks to people with the most common types of color vision deficiency.
#4b4c4eProtanopia
no red cones#43464eDeuteranopia
no green cones#00524fTritanopia
no blue cones#484848Achromatopsia
no color vision
CSS examples
.background { background-color: #1b504e; }
.text { color: #1b504e; }
.border { border: 2px solid #1b504e; }
.transparent { background-color: rgb(27 80 78 / 50%); }
.gradient { background: linear-gradient(to right, #1b504e, #1b3750); }
Similar colors
#014d4eDark Teal#01554fCape Verde#024a43Tropical Forest#315955Enchanting Ivy#2e5c58Lacrosse#2f4f4fDark Slate Gray#33534bHunter#12403cBotanical Night
Questions
- What color is #1B504E?
- #1B504E is a dark, desaturated cyan, closest to the named color Dark Teal. It belongs to the teal family of colors.
- What is the RGB value of #1B504E?
- The RGB value is 27, 80, 78: 27 red, 80 green and 78 blue on a 0 to 255 scale.
- What is the complementary color of #1B504E?
- The complementary color is #501B1D, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #1B504E?
- White text. Black text has a contrast ratio of 2.3:1 and white text 9.11:1. WCAG asks for at least 4.5:1 for normal text.