#218A87 color
The hex color #218A87 is a dark, moderate cyan.
In the RGB color model it is made of 12.9% red, 54.1% green and 52.9% blue (33, 138, 135).
Its hue angle is 178°, with 61% saturation and 34% lightness. For print, the CMYK equivalent is 76% cyan, 0% magenta, 2% yellow and 46% black.
The closest named color is Dark Cyan (#008B8B), a difference of 1.5 ΔE, which is barely visible.
Black text is the more readable choice on this background (contrast 5.05:1).
#218A87 color codes
| HEX | #218A87 | |
|---|---|---|
| RGB | rgb(33, 138, 135) | |
| RGB percent | rgb(12.9%, 54.1%, 52.9%) | |
| HSL | hsl(178, 61%, 34%) | |
| HSV / HSB | hsv(178, 76%, 54%) | |
| CMYK | cmyk(76%, 0%, 2%, 46%) | |
| CIE LAB | lab(52.12, -29, -6.77) | |
| CIE LCH | lch(52.12, 29.78, 193.14) | |
| CIE XYZ | xyz(14.087, 20.248, 26.083) | |
| Decimal | 2198151 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #218A87, 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 #218A87 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.05:1 | Pass | Fail | Pass |
| Sample text | 4.16:1 | Fail | Fail | Pass |
| #218A87 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.16:1 | Fail | Fail | Pass |
| Sample text | 5.05:1 | Pass | Fail | Pass |
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 #218A87 looks to people with the most common types of color vision deficiency.
#818387Protanopia
no red cones#727888Deuteranopia
no green cones#008e89Tritanopia
no blue cones#7c7c7cAchromatopsia
no color vision
CSS examples
.background { background-color: #218a87; }
.text { color: #218a87; }
.border { border: 2px solid #218a87; }
.transparent { background-color: rgb(33 138 135 / 50%); }
.gradient { background: linear-gradient(to right, #218a87, #21598a); }
Similar colors
#008b8bDark Cyan#018281Windows 95 Desktop#2b888dTurkish Jade#008080Teal#008a7dGo Go Green#2b8478Emerald Whispers#259797Java#449084Highlands
Questions
- What color is #218A87?
- #218A87 is a dark, moderate cyan, closest to the named color Dark Cyan. It belongs to the teal family of colors.
- What is the RGB value of #218A87?
- The RGB value is 33, 138, 135: 33 red, 138 green and 135 blue on a 0 to 255 scale.
- What is the complementary color of #218A87?
- The complementary color is #8A2124, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #218A87?
- Black text. Black text has a contrast ratio of 5.05:1 and white text 4.16:1. WCAG asks for at least 4.5:1 for normal text.