Color #5191CD Color / Colour Code #5191CD
This page shows the hex color code for color #5191cd (#5191CD). The colour is a blue tone with 55% saturation and 56% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #5191CD against common backgrounds.
Complementary Colors
#5191CD paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 179, 209, and 239 degrees for harmonious combinations.
Triadic Palette
Three colors at 209, 329, and 89 degrees.
Color Palettes Using #5191CD
Five shades at lightness levels 15% through 85% while keeping hue at 209 and saturation at 55%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 209 to 254 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 209 with its complement at 29 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 #5191CD
Lightness variations at hue 209 and 55% saturation.
CSS Gradients with #5191CD
Design Use Cases for #5191CD
Balanced UI Color
At 55% saturation, #5191CD 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 56% lightness, #5191CD 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
#5191CD sits in the blue range (hue 209). 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 #5191CD (hue 209) to its complement at hue 29. For a subtler effect, try pairing with an analogous color at hue 239. Use CSS: background: linear-gradient(135deg, #5191cd, #cd8d51);
CSS Code for #5191CD
Similar Colors
Colors visually similar to #5191CD based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #5191CD across image editing and color design tools.
About Color #5191CD (#5191CD)
#5191CD is a blue color (colour) with RGB channel values of 81 red, 145 green, and 205 blue. The blue channel is dominant by a ratio of 2.5:1 over the weakest channel. In HSL terms, the hue sits at 209 degrees with 55% saturation and 56% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #5191CD is 133/255 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 60% cyan, 29% magenta, 0% yellow, and 20% key (black).
The WCAG contrast ratio of #5191CD against white is 3.34:1 and against black is 6.28:1. 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 6.28:1.
The complementary colour #CD8D51 creates maximum visual tension when paired with #5191CD. For more harmonious color combinations, use the analogous colours #51CDCA and #5153CD, 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 #5191CD
- 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 #5191CD?
- #5191CD is Color #5191CD, a blue color (colour) with RGB(81, 145, 205), HSL(209, 55%, 56%), and CMYK(60%, 29%, 0%, 20%). Its perceived brightness is 133/255.
- Is #5191CD accessible for text?
- Against white, #5191CD has a contrast ratio of 3.34:1 (fails AA for normal text). Against black, it has 6.28:1 (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 #5191CD?
- The complementary colour is #CD8D51 (hue 29). For subtle color combinations, use analogous colours #51CDCA and #5153CD. The triadic palette adds #CD5191 and #91CD51 for vibrant variety.
- How do I use #5191CD in CSS?
- Use any format: color: #5191cd; or rgb(81, 145, 205); or hsl(209, 55%, 56%). For CSS custom properties: --color-primary: 209 55% 56%; 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.