#3F172D Color

#3F172D is rgb(63, 23, 45) in RGB, hsl(327, 47%, 17%) in HSL, and about cmyk(0%, 63%, 29%, 75%) in CMYK. It has no registered color name of its own — the closest is Dark Purple (#301934), visibly different at ΔE 10.4. White text is the more readable choice on this background.

#3F172D

HEX#3F172D

RGBrgb(63, 23, 45)

HSLhsl(327, 47%, 17%)

HSVhsv(327, 63%, 25%)

CMYKcmyk(0%, 63%, 29%, 75%)

OKLCHoklch(27.4% 0.069 348.5)

LABlab(14.84% 22.07 -4.96)

LCHlch(14.84% 22.62 347.33)

What #3F172D 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 #3F172D, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Dark Purple#301934ΔE 10.4 Light Chocolate Cosmos#551F2FΔE 10.82 Temptress#3C2126ΔE 11.18 Old Mauve#673147ΔE 14.64 Zinfandel Red#5A3844ΔE 14.71 Dark Byzantium#5D3954ΔE 15.2

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

#3F172D Channel Values

How #3F172D 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 63 · G 23 · B 45	8-bit channels as sent to the display
HSL	H 327° · S 47% · L 17%	Easiest model for building lighter and darker variants
HSV	H 327° · S 63% · V 25%	Matches the picker in most design tools
CMYK	C 0% · M 63% · Y 29% · K 75%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	15.31:1 vs white · 1.37:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3F172D 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 text15.31:1AA normal AA large AAA normal

Fails AABlack text1.37:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3F172D in the contrast checker.

Colors That Go With #3F172D

Pairings derived from color-wheel relationships. The complementary color sits opposite #3F172D; 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 #3F172D

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 #3F172D.

How #3F172D 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#3F172D

Protanopia#21212D

Protanomaly#301E2D

Deuteranopia#29292C

Deuteranomaly#33232C

Tritanopia#3E1B1B

Tritanomaly#3E1923

Achromatopsia#252525

Test a full palette in the color blindness simulator.

Using #3F172D in Code

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

CSS custom property--color-3f172d: #3F172D;

CSS backgroundbackground-color: #3F172D;

Tailwind configcolors: { 'color-3f172d': '#3F172D' }

SwiftUIColor(red: 0.247, green: 0.090, blue: 0.176)

Android XML<color name="color_3f172d">#3F172D</color>

SVG fillfill="#3F172D"

More Pink Colors

#3F172D sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.

200e15 fff5ff 240024 fff5f8 2e051f fff0ff 2f1d2f fff0f6 301934 fff0f5 330033 ffe0f0 57001d 754875 940094 a800b7 c43162 d07cd0 e0115f e936a7 f38fa9 fb64b6 ff0a85 ff70b8

#3F172D Frequently Asked Questions

What color is #3F172D?

#3F172D is a darkest pink — rgb(63, 23, 45) in RGB and hsl(327, 47%, 17%) in HSL. It carries no registered color name of its own; the closest named color is Dark Purple (#301934), which is visibly different at a CIE76 distance of 10.4.

What is the RGB value of #3F172D?

#3F172D is rgb(63, 23, 45) — red 63, green 23, and blue 45 on the 0-255 scale.

What is the CMYK value of #3F172D?

#3F172D converts to approximately cmyk(0%, 63%, 29%, 75%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3F172D be black or white?

White text is the more readable choice. #3F172D scores 15.31:1 against white and 1.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3F172D as a CSS color keyword?

No. #3F172D 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 black (#000000) at a CIE76 distance of 27.06, which is a different colour altogether.

Open #3F172D 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 pink in the color library, the guide to shades of pink, or the full color library.