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#21C1CA Color

#21C1CA is rgb(33, 193, 202) in RGB, hsl(183, 72%, 46%) in HSL, and about cmyk(84%, 4%, 0%, 21%) in CMYK. It has no registered color name of its own — the closest is Maximum Blue Green (#30BFBF), clearly related but distinguishable side by side at ΔE 5.04. Black text is the more readable choice on this background.

#21C1CA
HEX#21C1CA
RGBrgb(33, 193, 202)
HSLhsl(183, 72%, 46%)
HSVhsv(183, 84%, 79%)
CMYKcmyk(84%, 4%, 0%, 21%)
OKLCHoklch(74% 0.121 201.1)
LABlab(70.97% -37.40 -16.28)
LCHlch(70.97% 40.79 203.52)

What #21C1CA Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #21C1CA, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Maximum Blue Green#30BFBFΔE 5.04Dark Turquoise#00CED1ΔE 6.7Robin Egg Blue#00CCCCΔE 7.26Tiffany Blue#0ABAB5ΔE 8.38Medium Turquoise#48D1CCΔE 9.32Verdigris#43B3AEΔE 10.6

Browse the full index of named colors A-Z or every teal in the library.

#21C1CA Channel Values

How #21C1CA breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 33 · G 193 · B 2028-bit channels as sent to the display
HSLH 183° · S 72% · L 46%Easiest model for building lighter and darker variants
HSVH 183° · S 84% · V 79%Matches the picker in most design tools
CMYKC 84% · M 4% · Y 0% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.2:1 vs white · 9.55:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #21C1CA background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.2:1AA normal AA large AAA normal
TextBlack text9.55:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #21C1CA in the contrast checker.

Colors That Go With #21C1CA

Pairings derived from color-wheel relationships. The complementary color sits opposite #21C1CA; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#21C1CA
Complementary
#CA2921
Analogous
#21CA7E
Analogous
#216DCA
Triadic
#CA21C1
Triadic
#C1CA21
Split comp.
#CA216D
Split comp.
#CA7E21

Tints & Shades of #21C1CA

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#31D5DD
#54DCE3
#73E2E8
#96E9EE
#B4F0F3
#D8F7F9

Shades

#1DA8AF
#188F95
#14767B
#105C60
#0B4346
#072A2C

Want a full 50-950 ramp with semantic roles? Generate design tokens from #21C1CA.

How #21C1CA Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#21C1CA
Protanopia#B2B2CA
Protanomaly#8FB8CA
Deuteranopia#A2A2CC
Deuteranomaly#82AFCB
Tritanopia#16C2C2
Tritanomaly#1BC2C5
Achromatopsia#AFAFAF

Test a full palette in the color blindness simulator.

Using #21C1CA in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-21c1ca: #21C1CA;
CSS backgroundbackground-color: #21C1CA;
Tailwind configcolors: { 'color-21c1ca': '#21C1CA' }
SwiftUIColor(red: 0.129, green: 0.757, blue: 0.792)
Android XML<color name="color_21c1ca">#21C1CA</color>
SVG fillfill="#21C1CA"

More Teal Colors

#21C1CA sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#21C1CA Frequently Asked Questions

What color is #21C1CA?

#21C1CA is a mid-tone teal — rgb(33, 193, 202) in RGB and hsl(183, 72%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Maximum Blue Green (#30BFBF), which is clearly related but distinguishable side by side at a CIE76 distance of 5.04.

What is the RGB value of #21C1CA?

#21C1CA is rgb(33, 193, 202) — red 33, green 193, and blue 202 on the 0-255 scale.

What is the CMYK value of #21C1CA?

#21C1CA converts to approximately cmyk(84%, 4%, 0%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #21C1CA be black or white?

Black text is the more readable choice. #21C1CA scores 2.2:1 against white and 9.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #21C1CA as a CSS color keyword?

No. #21C1CA is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is darkturquoise (#00CED1) at a CIE76 distance of 6.7, which is clearly related but distinguishable side by side.

Open #21C1CA in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.