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#21877D Color

#21877D is rgb(33, 135, 125) in RGB, hsl(174, 61%, 33%) in HSL, and about cmyk(76%, 0%, 7%, 47%) in CMYK. It has no registered color name of its own — the closest is Teal Green (#00827F), very hard to tell apart at ΔE 4.62. Black text is the more readable choice on this background.

#21877D
HEX#21877D
RGBrgb(33, 135, 125)
HSLhsl(174, 61%, 33%)
HSVhsv(174, 76%, 53%)
CMYKcmyk(76%, 0%, 7%, 47%)
OKLCHoklch(56.5% 0.091 185.2)
LABlab(50.63% -31.28 -3.29)
LCHlch(50.63% 31.46 186.00)

What #21877D 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 #21877D, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#21877D Channel Values

How #21877D 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 135 · B 1258-bit channels as sent to the display
HSLH 174° · S 61% · L 33%Easiest model for building lighter and darker variants
HSVH 174° · S 76% · V 53%Matches the picker in most design tools
CMYKC 76% · M 0% · Y 7% · K 47%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.35:1 vs white · 4.83:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #21877D 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 text4.35:1AA normal AA large AAA normal
TextBlack text4.83:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #21877D in the contrast checker.

Colors That Go With #21877D

Pairings derived from color-wheel relationships. The complementary color sits opposite #21877D; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #21877D

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #21877D.

How #21877D 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#21877D
Protanopia#7D7D7D
Protanomaly#64817D
Deuteranopia#72727F
Deuteranomaly#5C7B7E
Tritanopia#278686
Tritanomaly#248682
Achromatopsia#797979

Test a full palette in the color blindness simulator.

Using #21877D in Code

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

CSS custom property--color-21877d: #21877D;
CSS backgroundbackground-color: #21877D;
Tailwind configcolors: { 'color-21877d': '#21877D' }
SwiftUIColor(red: 0.129, green: 0.529, blue: 0.490)
Android XML<color name="color_21877d">#21877D</color>
SVG fillfill="#21877D"

More Teal Colors

#21877D sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

#21877D Frequently Asked Questions

What color is #21877D?

#21877D is a dark teal — rgb(33, 135, 125) in RGB and hsl(174, 61%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Teal Green (#00827F), which is very hard to tell apart at a CIE76 distance of 4.62.

What is the RGB value of #21877D?

#21877D is rgb(33, 135, 125) — red 33, green 135, and blue 125 on the 0-255 scale.

What is the CMYK value of #21877D?

#21877D converts to approximately cmyk(76%, 0%, 7%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #21877D be black or white?

Black text is the more readable choice. #21877D scores 4.35:1 against white and 4.83:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #21877D as a CSS color keyword?

No. #21877D 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 teal (#008080) at a CIE76 distance of 6.33, which is clearly related but distinguishable side by side.

Open #21877D in a Tool

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