#1F3333 Color

#1F3333 is rgb(31, 51, 51) in RGB, hsl(180, 24%, 16%) in HSL, and about cmyk(39%, 0%, 0%, 80%) in CMYK. It has no registered color name of its own — the closest is Outer Space (Crayola) (#2D383A), clearly related but distinguishable side by side at ΔE 5.01. White text is the more readable choice on this background.

#1F3333

HEX#1F3333

RGBrgb(31, 51, 51)

HSLhsl(180, 24%, 16%)

HSVhsv(180, 39%, 20%)

CMYKcmyk(39%, 0%, 0%, 80%)

OKLCHoklch(30.4% 0.026 195.9)

LABlab(19.55% -8.36 -2.71)

LCHlch(19.55% 8.78 197.97)

What #1F3333 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 #1F3333, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Outer Space (Crayola)#2D383AΔE 5.01 Gunmetal#2A3439ΔE 5.54 Charcoal Black#232B2BΔE 5.69 Medium Jungle Green#1C352DΔE 5.8 Traffic Black#2A2D2FΔE 7.53 Dark Jungle Green#1A2421ΔE 7.82

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

#1F3333 Channel Values

How #1F3333 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 31 · G 51 · B 51	8-bit channels as sent to the display
HSL	H 180° · S 24% · L 16%	Easiest model for building lighter and darker variants
HSV	H 180° · S 39% · V 20%	Matches the picker in most design tools
CMYK	C 39% · M 0% · Y 0% · K 80%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	13.29:1 vs white · 1.58:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1F3333 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.

TextWhite text13.29:1AA normal AA large AAA normal

Fails AABlack text1.58:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1F3333 in the contrast checker.

Colors That Go With #1F3333

Pairings derived from color-wheel relationships. The complementary color sits opposite #1F3333; 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 #1F3333

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 #1F3333.

How #1F3333 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#1F3333

Protanopia#303033

Protanomaly#2A3133

Deuteranopia#2D2D33

Deuteranomaly#283033

Tritanopia#1F3333

Tritanomaly#1F3333

Achromatopsia#2F2F2F

Test a full palette in the color blindness simulator.

Using #1F3333 in Code

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

CSS custom property--color-1f3333: #1F3333;

CSS backgroundbackground-color: #1F3333;

Tailwind configcolors: { 'color-1f3333': '#1F3333' }

SwiftUIColor(red: 0.122, green: 0.200, blue: 0.200)

Android XML<color name="color_1f3333">#1F3333</color>

SVG fillfill="#1F3333"

More Teal Colors

#1F3333 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

1fffff 1e5162 205d65 1db4a5 208fbc 1dacd6 20b2aa 1ca9c9 20c5b5 1c9c96 213536 1b6a67 2d848f 437070 5cbfcc 7df9ff 9bd6ee b9e3f3 d8ecf3 002424 006666 0099cc 00f0f0 0d3f3f

#1F3333 Frequently Asked Questions

What color is #1F3333?

#1F3333 is a darkest teal — rgb(31, 51, 51) in RGB and hsl(180, 24%, 16%) in HSL. It carries no registered color name of its own; the closest named color is Outer Space (Crayola) (#2D383A), which is clearly related but distinguishable side by side at a CIE76 distance of 5.01.

What is the RGB value of #1F3333?

#1F3333 is rgb(31, 51, 51) — red 31, green 51, and blue 51 on the 0-255 scale.

What is the CMYK value of #1F3333?

#1F3333 converts to approximately cmyk(39%, 0%, 0%, 80%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1F3333 be black or white?

White text is the more readable choice. #1F3333 scores 13.29:1 against white and 1.58:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1F3333 as a CSS color keyword?

No. #1F3333 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 darkslategray (#2F4F4F) at a CIE76 distance of 12.29, which is visibly different.

Open #1F3333 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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