Color #330100 Color / Colour Code #330100
This page shows the hex color code for color #330100 (#330100). The colour is a red tone with 100% saturation and 10% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #330100 against common backgrounds.
Complementary Colors
#330100 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 331, 1, and 31 degrees for harmonious combinations.
Triadic Palette
Three colors at 1, 121, and 241 degrees.
Color Palettes Using #330100
Five shades at lightness levels 15% through 85% while keeping hue at 1 and saturation at 100%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 1 to 46 degrees create a warm, unified palette. This analogous scheme works for marketing materials, seasonal campaigns, and any design that needs visual warmth without clashing colors.
Combines the base color at hue 1 with its complement at 181 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.
Five evenly spaced hues at 40% saturation and 80% lightness. Pastels are gentle on the eyes and work well for dashboards, onboarding screens, category tags, and any interface where multiple distinct colors are needed without visual aggression.
Shades & Tints of #330100
Lightness variations at hue 1 and 100% saturation.
CSS Gradients with #330100
Design Use Cases for #330100
High-Impact Accent
With 100% saturation, #330100 is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Dark Mode Background
At just 10% lightness, #330100 works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Urgency & Energy Signaling
#330100 falls in the red spectrum (hue 1). Red triggers urgency and excitement, making it effective for sale badges, countdown timers, error messages, and "limited time" labels. In data visualization, use it to flag negative values or critical thresholds.
Gradient Pairing
Create a gradient from #330100 (hue 1) to its complement at hue 181. For a subtler effect, try pairing with an analogous color at hue 31. Use CSS: background: linear-gradient(135deg, #330100, #003233);
CSS Code for #330100
Similar Colors
Colors visually similar to #330100 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #330100 across image editing and color design tools.
About Color #330100 (#330100)
#330100 is a red color (colour) with RGB channel values of 51 red, 1 green, and 0 blue. The red channel is dominant by a ratio of 51.0:1 over the weakest channel. In HSL terms, the hue sits at 1 degrees with 100% saturation and 10% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #330100 is 16/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 0% cyan, 98% magenta, 100% yellow, and 80% key (black).
The WCAG contrast ratio of #330100 against white is 18.34:1 and against black is 1.15:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #003233 creates maximum visual tension when paired with #330100. For more harmonious color combinations, use the analogous colours #330019 and #331A00, which sit 30 degrees on either side of the hue wheel. To build a complete design system, start with the monochromatic scale above for consistent shade variations, then add one complementary or triadic accent for interactive elements.
How to Explore Color #330100
- Enter your color value in HEX format.
- The tool converts it to RGB, HSL, CMYK format in real time.
- Copy the converted value to your clipboard.
What is HEX to RGB, HSL, CMYK color conversion
Converting from HEX to RGB, HSL, CMYK translates a color value between two different color models. Different color models are used in web design (HEX, RGB), print (CMYK), and color theory (HSL, HSV).
Related Tools & Colors
Frequently Asked Questions
- What color / colour is #330100?
- #330100 is Color #330100, a red color (colour) with RGB(51, 1, 0), HSL(1, 100%, 10%), and CMYK(0%, 98%, 100%, 80%). Its perceived brightness is 16/255.
- Is #330100 accessible for text?
- Against white, #330100 has a contrast ratio of 18.34:1 (passes AA for normal text). Against black, it has 1.15:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #330100?
- The complementary colour is #003233 (hue 181). For subtle color combinations, use analogous colours #330019 and #331A00. The triadic palette adds #003301 and #010033 for vibrant variety.
- How do I use #330100 in CSS?
- Use any format: color: #330100; or rgb(51, 1, 0); or hsl(1, 100%, 10%). For CSS custom properties: --color-primary: 1 100% 10%; then use it as hsl(var(--color-primary)).
- Is this color / colour explorer free?
- Yes, completely free with no signup required. All colour calculations run in your browser. You can explore any valid hex color code, not just the pre-generated palette.