#330004 Color
#330004 is rgb(51, 0, 4) in RGB, hsl(355, 100%, 10%) in HSL, and about cmyk(0%, 100%, 92%, 80%) in CMYK. It has no registered color name of its own — the closest is Dark Sienna (#3C1414), clearly related but distinguishable side by side at ΔE 8.51. White text is the more readable choice on this background.
#330004rgb(51, 0, 4)hsl(355, 100%, 10%)hsv(355, 100%, 20%)cmyk(0%, 100%, 92%, 80%)oklch(20.3% 0.082 23.1)lab(6.72% 25.79 9.08)lch(6.72% 27.34 19.39)What #330004 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 #330004, 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 red in the library.
#330004 Channel Values
How #330004 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 51 · G 0 · B 4 | 8-bit channels as sent to the display |
| HSL | H 355° · S 100% · L 10% | Easiest model for building lighter and darker variants |
| HSV | H 355° · S 100% · V 20% | Matches the picker in most design tools |
| CMYK | C 0% · M 100% · Y 92% · K 80% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 18.38:1 vs white · 1.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #330004 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.
Need a specific ratio against another background? Open #330004 in the contrast checker.
Colors That Go With #330004
Pairings derived from color-wheel relationships. The complementary color sits opposite #330004; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #330004
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #330004.
How #330004 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.
#330004#111104#230B04#1B1B01#261302#330101#330002#141414Using #330004 in Code
Copy-ready declarations for the places this color usually ends up.
--color-330004: #330004;background-color: #330004;colors: { 'color-330004': '#330004' }Color(red: 0.200, green: 0.000, blue: 0.016)<color name="color_330004">#330004</color>fill="#330004"More Red Colors
#330004 sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#330004 Frequently Asked Questions
What color is #330004?
#330004 is a darkest red — rgb(51, 0, 4) in RGB and hsl(355, 100%, 10%) in HSL. It carries no registered color name of its own; the closest named color is Dark Sienna (#3C1414), which is clearly related but distinguishable side by side at a CIE76 distance of 8.51.
What is the RGB value of #330004?
#330004 is rgb(51, 0, 4) — red 51, green 0, and blue 4 on the 0-255 scale.
What is the CMYK value of #330004?
#330004 converts to approximately cmyk(0%, 100%, 92%, 80%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #330004 be black or white?
White text is the more readable choice. #330004 scores 18.38:1 against white and 1.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #330004 as a CSS color keyword?
No. #330004 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 28.16, which is a different colour altogether.
Open #330004 in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.