#21817E color

#21817E rgb(33, 129, 126)
Shades of teal

The hex color #21817E is a dark, moderate cyan.

In the RGB color model it is made of 12.9% red, 50.6% green and 49.4% blue (33, 129, 126).

Its hue angle is 178°, with 59% saturation and 32% lightness. For print, the CMYK equivalent is 74% cyan, 0% magenta, 2% yellow and 49% black.

The closest named color is Windows 95 Desktop (#018281), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 4.66:1).

#21817E color codes

HEX#21817E
RGBrgb(33, 129, 126)
RGB percentrgb(12.9%, 50.6%, 49.4%)
HSLhsl(178, 59%, 32%)
HSV / HSBhsv(178, 74%, 51%)
CMYKcmyk(74%, 0%, 2%, 49%)
CIE LABlab(48.92, -27.32, -6.26)
CIE LCHlch(48.92, 28.03, 192.91)
CIE XYZxyz(12.242, 17.529, 22.473)
Decimal2195838
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #21817E, 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 #21817ERatioAAAAAAA large
Sample text4.51:1PassFailPass
Sample text4.66:1PassFailPass
#21817E as text onRatioAAAAAAA large
Sample text4.66:1PassFailPass
Sample text4.51:1PassFailPass

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 #21817E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21817e; }
.text { color: #21817e; }
.border { border: 2px solid #21817e; }
.transparent { background-color: rgb(33 129 126 / 50%); }
.gradient { background: linear-gradient(to right, #21817e, #215481); }
Background
Text color
Border

Similar colors

Questions

What color is #21817E?
#21817E is a dark, moderate cyan, closest to the named color Windows 95 Desktop. It belongs to the teal family of colors.
What is the RGB value of #21817E?
The RGB value is 33, 129, 126: 33 red, 129 green and 126 blue on a 0 to 255 scale.
What is the complementary color of #21817E?
The complementary color is #812124, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21817E?
White text. Black text has a contrast ratio of 4.51:1 and white text 4.66:1. WCAG asks for at least 4.5:1 for normal text.