Color #00DDFA Color / Colour Code #00DDFA
This page shows the hex color code for color #00ddfa (#00DDFA). The colour is a cyan tone with 100% saturation and 49% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #00DDFA against common backgrounds.
Complementary Colors
#00DDFA paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 157, 187, and 217 degrees for harmonious combinations.
Triadic Palette
Three colors at 187, 307, and 67 degrees.
Color Palettes Using #00DDFA
Five shades at lightness levels 15% through 85% while keeping hue at 187 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 187 to 232 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 187 with its complement at 7 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 #00DDFA
Lightness variations at hue 187 and 100% saturation.
CSS Gradients with #00DDFA
Design Use Cases for #00DDFA
High-Impact Accent
With 100% saturation, #00DDFA 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.
Primary Interface Color
At 49% lightness, #00DDFA is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Clarity & Technology
#00DDFA is in the cyan spectrum (hue 187). 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 #00DDFA (hue 187) to its complement at hue 7. For a subtler effect, try pairing with an analogous color at hue 217. Use CSS: background: linear-gradient(135deg, #00ddfa, #fa1d00);
CSS Code for #00DDFA
Similar Colors
Colors visually similar to #00DDFA based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #00DDFA across image editing and color design tools.
About Color #00DDFA (#00DDFA)
#00DDFA is a cyan color (colour) with RGB channel values of 0 red, 221 green, and 250 blue. The blue channel is dominant by a ratio of 250.0:1 over the weakest channel. In HSL terms, the hue sits at 187 degrees with 100% saturation and 49% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #00DDFA is 158/255 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 100% cyan, 12% magenta, 0% yellow, and 2% key (black).
The WCAG contrast ratio of #00DDFA against white is 1.65:1 and against black is 12.72:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.72:1, or use it exclusively for decorative purposes.
The complementary colour #FA1D00 creates maximum visual tension when paired with #00DDFA. For more harmonious color combinations, use the analogous colours #00FA9A and #0060FA, 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 #00DDFA
- 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 #00DDFA?
- #00DDFA is Color #00DDFA, a cyan color (colour) with RGB(0, 221, 250), HSL(187, 100%, 49%), and CMYK(100%, 12%, 0%, 2%). Its perceived brightness is 158/255.
- Is #00DDFA accessible for text?
- Against white, #00DDFA has a contrast ratio of 1.65:1 (fails AA for normal text). Against black, it has 12.72:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #00DDFA?
- The complementary colour is #FA1D00 (hue 7). For subtle color combinations, use analogous colours #00FA9A and #0060FA. The triadic palette adds #FA00DD and #DDFA00 for vibrant variety.
- How do I use #00DDFA in CSS?
- Use any format: color: #00ddfa; or rgb(0, 221, 250); or hsl(187, 100%, 49%). For CSS custom properties: --color-primary: 187 100% 49%; 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.