Color #28015B Color / Colour Code #28015B
This page shows the hex color code for color #28015b (#28015B). The colour is a purple tone with 98% saturation and 18% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #28015B against common backgrounds.
Complementary Colors
#28015B paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 236, 266, and 296 degrees for harmonious combinations.
Triadic Palette
Three colors at 266, 26, and 146 degrees.
Color Palettes Using #28015B
Five shades at lightness levels 15% through 85% while keeping hue at 266 and saturation at 98%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 266 to 311 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 266 with its complement at 86 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 #28015B
Lightness variations at hue 266 and 98% saturation.
CSS Gradients with #28015B
Design Use Cases for #28015B
High-Impact Accent
With 98% saturation, #28015B 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.
Deep Accent & Text Color
#28015B at 18% lightness is dark enough for readable body text on light backgrounds while retaining its purple character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Creativity & Premium Positioning
#28015B falls in the purple spectrum (hue 266). 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 #28015B (hue 266) to its complement at hue 86. For a subtler effect, try pairing with an analogous color at hue 296. Use CSS: background: linear-gradient(135deg, #28015b, #345b01);
CSS Code for #28015B
Similar Colors
Colors visually similar to #28015B based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #28015B across image editing and color design tools.
About Color #28015B (#28015B)
#28015B is a purple color (colour) with RGB channel values of 40 red, 1 green, and 91 blue. The blue channel is dominant by a ratio of 91.0:1 over the weakest channel. In HSL terms, the hue sits at 266 degrees with 98% saturation and 18% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #28015B is 23/255 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 56% cyan, 99% magenta, 0% yellow, and 64% key (black).
The WCAG contrast ratio of #28015B against white is 16.86:1 and against black is 1.25:1. 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 #345B01 creates maximum visual tension when paired with #28015B. For more harmonious color combinations, use the analogous colours #01075B and #55015B, 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 #28015B
- 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 #28015B?
- #28015B is Color #28015B, a purple color (colour) with RGB(40, 1, 91), HSL(266, 98%, 18%), and CMYK(56%, 99%, 0%, 64%). Its perceived brightness is 23/255.
- Is #28015B accessible for text?
- Against white, #28015B has a contrast ratio of 16.86:1 (passes AA for normal text). Against black, it has 1.25:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #28015B?
- The complementary colour is #345B01 (hue 86). For subtle color combinations, use analogous colours #01075B and #55015B. The triadic palette adds #5B2801 and #015B28 for vibrant variety.
- How do I use #28015B in CSS?
- Use any format: color: #28015b; or rgb(40, 1, 91); or hsl(266, 98%, 18%). For CSS custom properties: --color-primary: 266 98% 18%; 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.