#21C2D4 color
The hex color #21C2D4 is a moderate cyan.
In the RGB color model it is made of 12.9% red, 76.1% green and 83.1% blue (33, 194, 212).
Its hue angle is 186°, with 73% saturation and 48% lightness. For print, the CMYK equivalent is 84% cyan, 8% magenta, 0% yellow and 17% black.
The closest named color is Caribbean Blue (#1AC1DD), a difference of 3.3 ΔE, a small difference.
Black text is the more readable choice on this background (contrast 9.73:1).
#21C2D4 color codes
| HEX | #21C2D4 | |
|---|---|---|
| RGB | rgb(33, 194, 212) | |
| RGB percent | rgb(12.9%, 76.1%, 83.1%) | |
| HSL | hsl(186, 73%, 48%) | |
| HSV / HSB | hsv(186, 84%, 83%) | |
| CMYK | cmyk(84%, 8%, 0%, 17%) | |
| CIE LAB | lab(72, -32.2, -20.09) | |
| CIE LCH | lch(72, 37.95, 211.96) | |
| CIE XYZ | xyz(31.797, 43.656, 69.025) | |
| Decimal | 2212564 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #21C2D4, 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 #21C2D4 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 9.73:1 | Pass | Pass | Pass |
| Sample text | 2.16:1 | Fail | Fail | Fail |
| #21C2D4 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.16:1 | Fail | Fail | Fail |
| Sample text | 9.73:1 | Pass | Pass | 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 #21C2D4 looks to people with the most common types of color vision deficiency.
#b0bad5Protanopia
no red cones#99a9d4Deuteranopia
no green cones#00cbc7Tritanopia
no blue cones#b0b0b0Achromatopsia
no color vision
CSS examples
.background { background-color: #21c2d4; }
.text { color: #21c2d4; }
.border { border: 2px solid #21c2d4; }
.transparent { background-color: rgb(33 194 212 / 50%); }
.gradient { background: linear-gradient(to right, #21c2d4, #2168d4); }
Similar colors
#1ac1ddCaribbean Blue#4bc7cfSea Serpent#46b5c0Glassmith#59b9ccHigh Dive#60bfd3Skydive#52b4caBlue Bobbin#53b1baThalassa#74cdd8Summer of ’82
Closest common color name: Dark Turquoise.
Questions
- What color is #21C2D4?
- #21C2D4 is a moderate cyan, closest to the named color Caribbean Blue. It belongs to the teal family of colors.
- What is the RGB value of #21C2D4?
- The RGB value is 33, 194, 212: 33 red, 194 green and 212 blue on a 0 to 255 scale.
- What is the complementary color of #21C2D4?
- The complementary color is #D43321, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #21C2D4?
- Black text. Black text has a contrast ratio of 9.73:1 and white text 2.16:1. WCAG asks for at least 4.5:1 for normal text.