Color #5666CD Color / Colour Code #5666CD
This page shows the hex color code for color #5666cd (#5666CD). The colour is a blue tone with 54% saturation and 57% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #5666CD against common backgrounds.
Complementary Colors
#5666CD paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 202, 232, and 262 degrees for harmonious combinations.
Triadic Palette
Three colors at 232, 352, and 112 degrees.
Color Palettes Using #5666CD
Five shades at lightness levels 15% through 85% while keeping hue at 232 and saturation at 54%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 232 to 277 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 232 with its complement at 52 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 #5666CD
Lightness variations at hue 232 and 54% saturation.
CSS Gradients with #5666CD
Design Use Cases for #5666CD
Balanced UI Color
At 54% saturation, #5666CD strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Soft Accent & Highlight
With 57% lightness, #5666CD 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
#5666CD sits in the blue range (hue 232). 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 #5666CD (hue 232) to its complement at hue 52. For a subtler effect, try pairing with an analogous color at hue 262. Use CSS: background: linear-gradient(135deg, #5666cd, #cdbd56);
CSS Code for #5666CD
Similar Colors
Colors visually similar to #5666CD based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #5666CD across image editing and color design tools.
About Color #5666CD (#5666CD)
#5666CD is a blue color (colour) with RGB channel values of 86 red, 102 green, and 205 blue. The blue channel is dominant by a ratio of 2.4:1 over the weakest channel. In HSL terms, the hue sits at 232 degrees with 54% saturation and 57% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #5666CD is 109/255 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 58% cyan, 50% magenta, 0% yellow, and 20% key (black).
The WCAG contrast ratio of #5666CD against white is 5.03:1 and against black is 4.18:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 40% lightness.
The complementary colour #CDBD56 creates maximum visual tension when paired with #5666CD. For more harmonious color combinations, use the analogous colours #56A1CD and #8256CD, 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 #5666CD
- 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 #5666CD?
- #5666CD is Color #5666CD, a blue color (colour) with RGB(86, 102, 205), HSL(232, 54%, 57%), and CMYK(58%, 50%, 0%, 20%). Its perceived brightness is 109/255.
- Is #5666CD accessible for text?
- Against white, #5666CD has a contrast ratio of 5.03:1 (passes AA for normal text). Against black, it has 4.18:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #5666CD?
- The complementary colour is #CDBD56 (hue 52). For subtle color combinations, use analogous colours #56A1CD and #8256CD. The triadic palette adds #CD5666 and #66CD56 for vibrant variety.
- How do I use #5666CD in CSS?
- Use any format: color: #5666cd; or rgb(86, 102, 205); or hsl(232, 54%, 57%). For CSS custom properties: --color-primary: 232 54% 57%; 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.