Color #537FCA Color / Colour Code #537FCA
This page shows the hex color code for color #537fca (#537FCA). The colour is a blue tone with 53% saturation and 56% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #537FCA against common backgrounds.
Complementary Colors
#537FCA paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 188, 218, and 248 degrees for harmonious combinations.
Triadic Palette
Three colors at 218, 338, and 98 degrees.
Color Palettes Using #537FCA
Five shades at lightness levels 15% through 85% while keeping hue at 218 and saturation at 53%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 218 to 263 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 218 with its complement at 38 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 #537FCA
Lightness variations at hue 218 and 53% saturation.
CSS Gradients with #537FCA
Design Use Cases for #537FCA
Balanced UI Color
At 53% saturation, #537FCA 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, #537FCA 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
#537FCA sits in the blue range (hue 218). 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 #537FCA (hue 218) to its complement at hue 38. For a subtler effect, try pairing with an analogous color at hue 248. Use CSS: background: linear-gradient(135deg, #537fca, #ca9f53);
CSS Code for #537FCA
Similar Colors
Colors visually similar to #537FCA based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #537FCA across image editing and color design tools.
About Color #537FCA (#537FCA)
#537FCA is a blue color (colour) with RGB channel values of 83 red, 127 green, and 202 blue. The blue channel is dominant by a ratio of 2.4:1 over the weakest channel. In HSL terms, the hue sits at 218 degrees with 53% saturation and 56% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #537FCA is 122/255 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 59% cyan, 37% magenta, 0% yellow, and 21% key (black).
The WCAG contrast ratio of #537FCA against white is 4.00:1 and against black is 5.26:1. 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 5.26:1.
The complementary colour #CA9F53 creates maximum visual tension when paired with #537FCA. For more harmonious color combinations, use the analogous colours #53BACA and #6353CA, 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 #537FCA
- 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 #537FCA?
- #537FCA is Color #537FCA, a blue color (colour) with RGB(83, 127, 202), HSL(218, 53%, 56%), and CMYK(59%, 37%, 0%, 21%). Its perceived brightness is 122/255.
- Is #537FCA accessible for text?
- Against white, #537FCA has a contrast ratio of 4.00:1 (fails AA for normal text). Against black, it has 5.26:1 (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 #537FCA?
- The complementary colour is #CA9F53 (hue 38). For subtle color combinations, use analogous colours #53BACA and #6353CA. The triadic palette adds #CA537F and #7FCA53 for vibrant variety.
- How do I use #537FCA in CSS?
- Use any format: color: #537fca; or rgb(83, 127, 202); or hsl(218, 53%, 56%). For CSS custom properties: --color-primary: 218 53% 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.