Color #280321 Color / Colour Code #280321
This page shows the hex color code for color #280321 (#280321). The colour is a purple tone with 86% saturation and 8% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #280321 against common backgrounds.
Complementary Colors
#280321 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 281, 311, and 341 degrees for harmonious combinations.
Triadic Palette
Three colors at 311, 71, and 191 degrees.
Color Palettes Using #280321
Five shades at lightness levels 15% through 85% while keeping hue at 311 and saturation at 86%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 311 to 356 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 311 with its complement at 131 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 #280321
Lightness variations at hue 311 and 86% saturation.
CSS Gradients with #280321
Design Use Cases for #280321
High-Impact Accent
With 86% saturation, #280321 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 8% lightness, #280321 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.
Creativity & Premium Positioning
#280321 falls in the purple spectrum (hue 311). Purple communicates creativity, wisdom, and luxury. It is effective for premium product highlights, creative portfolio accents, meditation app interfaces, and rewards program branding. Purple occupies a unique space between the energy of red and the calm of blue.
Gradient Pairing
Create a gradient from #280321 (hue 311) to its complement at hue 131. For a subtler effect, try pairing with an analogous color at hue 341. Use CSS: background: linear-gradient(135deg, #280321, #032609);
CSS Code for #280321
Similar Colors
Colors visually similar to #280321 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #280321 across image editing and color design tools.
About Color #280321 (#280321)
#280321 is a purple color (colour) with RGB channel values of 40 red, 3 green, and 33 blue. The red channel is dominant by a ratio of 13.3:1 over the weakest channel. In HSL terms, the hue sits at 311 degrees with 86% saturation and 8% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #280321 is 17/255 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, 93% magenta, 18% yellow, and 84% key (black).
The WCAG contrast ratio of #280321 against white is 18.66:1 and against black is 1.13:1. 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 #032609 creates maximum visual tension when paired with #280321. For more harmonious color combinations, use the analogous colours #1B0326 and #26030E, 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 #280321
- 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 #280321?
- #280321 is Color #280321, a purple color (colour) with RGB(40, 3, 33), HSL(311, 86%, 8%), and CMYK(0%, 93%, 18%, 84%). Its perceived brightness is 17/255.
- Is #280321 accessible for text?
- Against white, #280321 has a contrast ratio of 18.66:1 (passes AA for normal text). Against black, it has 1.13:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #280321?
- The complementary colour is #032609 (hue 131). For subtle color combinations, use analogous colours #1B0326 and #26030E. The triadic palette adds #202603 and #032026 for vibrant variety.
- How do I use #280321 in CSS?
- Use any format: color: #280321; or rgb(40, 3, 33); or hsl(311, 86%, 8%). For CSS custom properties: --color-primary: 311 86% 8%; 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.