Skip to content

#21031F Color

#21031F is rgb(33, 3, 31) in RGB, hsl(304, 83%, 7%) in HSL, and about cmyk(0%, 91%, 6%, 87%) in CMYK. It has no registered color name of its own — the closest is Dark Purple (#301934), clearly related but distinguishable side by side at ΔE 8.97. White text is the more readable choice on this background.

#21031F
HEX#21031F
RGBrgb(33, 3, 31)
HSLhsl(304, 83%, 7%)
HSVhsv(304, 91%, 13%)
CMYKcmyk(0%, 91%, 6%, 87%)
OKLCHoklch(17.9% 0.069 330.8)
LABlab(4.40% 17.13 -10.90)
LCHlch(4.40% 20.31 327.53)

What #21031F 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 #21031F, 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 pink in the library.

#21031F Channel Values

How #21031F 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 3 · B 318-bit channels as sent to the display
HSLH 304° · S 83% · L 7%Easiest model for building lighter and darker variants
HSVH 304° · S 91% · V 13%Matches the picker in most design tools
CMYKC 0% · M 91% · Y 6% · K 87%Approximate ink mix; confirm with an ICC profile before printing
Luminance19.13:1 vs white · 1.1:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #21031F 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 text19.13:1AA normal AA large AAA normal
Fails AABlack text1.1:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #21031F in the contrast checker.

Colors That Go With #21031F

Pairings derived from color-wheel relationships. The complementary color sits opposite #21031F; 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 #21031F

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 #21031F.

How #21031F 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#21031F
Protanopia#0B0B1F
Protanomaly#16081F
Deuteranopia#11111E
Deuteranomaly#190C1F
Tritanopia#1F0808
Tritanomaly#200614
Achromatopsia#0F0F0F

Test a full palette in the color blindness simulator.

Using #21031F in Code

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

CSS custom property--color-21031f: #21031F;
CSS backgroundbackground-color: #21031F;
Tailwind configcolors: { 'color-21031f': '#21031F' }
SwiftUIColor(red: 0.129, green: 0.012, blue: 0.122)
Android XML<color name="color_21031f">#21031F</color>
SVG fillfill="#21031F"

More Pink Colors

#21031F sits in the pink family. These are its neighbours across that family's full range, each with its own breakdown.

#21031F Frequently Asked Questions

What color is #21031F?

#21031F is a darkest pink — rgb(33, 3, 31) in RGB and hsl(304, 83%, 7%) in HSL. It carries no registered color name of its own; the closest named color is Dark Purple (#301934), which is clearly related but distinguishable side by side at a CIE76 distance of 8.97.

What is the RGB value of #21031F?

#21031F is rgb(33, 3, 31) — red 33, green 3, and blue 31 on the 0-255 scale.

What is the CMYK value of #21031F?

#21031F converts to approximately cmyk(0%, 91%, 6%, 87%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #21031F be black or white?

White text is the more readable choice. #21031F scores 19.13:1 against white and 1.1:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #21031F as a CSS color keyword?

No. #21031F 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 20.78, which is visibly different.

Open #21031F in a Tool

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