Color #6D66EA Color / Colour Code #6D66EA
This page shows the hex color code for color #6d66ea (#6D66EA). The colour is a blue tone with 76% saturation and 66% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #6D66EA against common backgrounds.
Complementary Colors
#6D66EA paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 213, 243, and 273 degrees for harmonious combinations.
Triadic Palette
Three colors at 243, 3, and 123 degrees.
Color Palettes Using #6D66EA
Five shades at lightness levels 15% through 85% while keeping hue at 243 and saturation at 76%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 243 to 288 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 243 with its complement at 63 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 #6D66EA
Lightness variations at hue 243 and 76% saturation.
CSS Gradients with #6D66EA
Design Use Cases for #6D66EA
Vibrant Brand Color
#6D66EA has a strong 76% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Soft Accent & Highlight
With 66% lightness, #6D66EA 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.
Trust & Professional Identity
#6D66EA sits in the blue range (hue 243). Blue is the world's most popular color for corporate identities because it conveys trust, stability, and competence. Use it for navigation bars, link text, form focus states, and any element where user confidence matters. Financial, healthcare, and technology brands rely heavily on this hue range.
Gradient Pairing
Create a gradient from #6D66EA (hue 243) to its complement at hue 63. For a subtler effect, try pairing with an analogous color at hue 273. Use CSS: background: linear-gradient(135deg, #6d66ea, #e4ea66);
CSS Code for #6D66EA
Similar Colors
Colors visually similar to #6D66EA based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #6D66EA across image editing and color design tools.
About Color #6D66EA (#6D66EA)
#6D66EA is a blue color (colour) with RGB channel values of 109 red, 102 green, and 234 blue. The blue channel is dominant by a ratio of 2.3:1 over the weakest channel. In HSL terms, the hue sits at 243 degrees with 76% saturation and 66% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #6D66EA is 119/255 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 53% cyan, 56% magenta, 0% yellow, and 8% key (black).
The WCAG contrast ratio of #6D66EA against white is 4.43:1 and against black is 4.74:1. This only passes AA for large text (18pt+) on white. For normal body text on white, darken the color or use it on a dark background where it achieves 4.74:1.
The complementary colour #E4EA66 creates maximum visual tension when paired with #6D66EA. For more harmonious color combinations, use the analogous colours #66A2EA and #AF66EA, 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 #6D66EA
- 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 #6D66EA?
- #6D66EA is Color #6D66EA, a blue color (colour) with RGB(109, 102, 234), HSL(243, 76%, 66%), and CMYK(53%, 56%, 0%, 8%). Its perceived brightness is 119/255.
- Is #6D66EA accessible for text?
- Against white, #6D66EA has a contrast ratio of 4.43:1 (fails AA for normal text). Against black, it has 4.74:1 (passes AA). It passes AA for large text (18pt+) on white. Use the contrast checker tool for custom background pairings.
- What colours pair well with #6D66EA?
- The complementary colour is #E4EA66 (hue 63). For subtle color combinations, use analogous colours #66A2EA and #AF66EA. The triadic palette adds #EA6D66 and #66EA6D for vibrant variety.
- How do I use #6D66EA in CSS?
- Use any format: color: #6d66ea; or rgb(109, 102, 234); or hsl(243, 76%, 66%). For CSS custom properties: --color-primary: 243 76% 66%; 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.