Color #11DCFF Color / Colour Code #11DCFF
This page shows the hex color code for color #11dcff (#11DCFF). The colour is a cyan tone with 100% saturation and 53% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #11DCFF against common backgrounds.
Complementary Colors
#11DCFF paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 159, 189, and 219 degrees for harmonious combinations.
Triadic Palette
Three colors at 189, 309, and 69 degrees.
Color Palettes Using #11DCFF
Five shades at lightness levels 15% through 85% while keeping hue at 189 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 189 to 234 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 189 with its complement at 9 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 #11DCFF
Lightness variations at hue 189 and 100% saturation.
CSS Gradients with #11DCFF
Design Use Cases for #11DCFF
High-Impact Accent
With 100% saturation, #11DCFF 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.
Soft Accent & Highlight
With 53% lightness, #11DCFF has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Clarity & Technology
#11DCFF is in the cyan spectrum (hue 189). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #11DCFF (hue 189) to its complement at hue 9. For a subtler effect, try pairing with an analogous color at hue 219. Use CSS: background: linear-gradient(135deg, #11dcff, #ff330f);
CSS Code for #11DCFF
Similar Colors
Colors visually similar to #11DCFF based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #11DCFF across image editing and color design tools.
About Color #11DCFF (#11DCFF)
#11DCFF is a cyan color (colour) with RGB channel values of 17 red, 220 green, and 255 blue. The blue channel is dominant by a ratio of 15.0:1 over the weakest channel. In HSL terms, the hue sits at 189 degrees with 100% saturation and 53% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #11DCFF is 163/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This is a medium-brightness color that can work with either dark or light text depending on font weight and size. For print production, the CMYK equivalent is 93% cyan, 14% magenta, 0% yellow, and 0% key (black).
The WCAG contrast ratio of #11DCFF against white is 1.65:1 and against black is 12.71:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.71:1, or use it exclusively for decorative purposes.
The complementary colour #FF330F creates maximum visual tension when paired with #11DCFF. For more harmonious color combinations, use the analogous colours #0FFFAB and #0F63FF, 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 #11DCFF
- 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 #11DCFF?
- #11DCFF is Color #11DCFF, a cyan color (colour) with RGB(17, 220, 255), HSL(189, 100%, 53%), and CMYK(93%, 14%, 0%, 0%). Its perceived brightness is 163/255.
- Is #11DCFF accessible for text?
- Against white, #11DCFF has a contrast ratio of 1.65:1 (fails AA for normal text). Against black, it has 12.71:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #11DCFF?
- The complementary colour is #FF330F (hue 9). For subtle color combinations, use analogous colours #0FFFAB and #0F63FF. The triadic palette adds #FF0FDB and #DBFF0F for vibrant variety.
- How do I use #11DCFF in CSS?
- Use any format: color: #11dcff; or rgb(17, 220, 255); or hsl(189, 100%, 53%). For CSS custom properties: --color-primary: 189 100% 53%; 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.