Color #538FFE Color / Colour Code #538FFE
This page shows the hex color code for color #538ffe (#538FFE). The colour is a blue tone with 99% saturation and 66% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #538FFE against common backgrounds.
Complementary Colors
#538FFE paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 189, 219, and 249 degrees for harmonious combinations.
Triadic Palette
Three colors at 219, 339, and 99 degrees.
Color Palettes Using #538FFE
Five shades at lightness levels 15% through 85% while keeping hue at 219 and saturation at 99%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 219 to 264 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 219 with its complement at 39 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 #538FFE
Lightness variations at hue 219 and 99% saturation.
CSS Gradients with #538FFE
Design Use Cases for #538FFE
High-Impact Accent
With 99% saturation, #538FFE 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.
Soft Accent & Highlight
With 66% lightness, #538FFE 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
#538FFE sits in the blue range (hue 219). 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 #538FFE (hue 219) to its complement at hue 39. For a subtler effect, try pairing with an analogous color at hue 249. Use CSS: background: linear-gradient(135deg, #538ffe, #fec252);
CSS Code for #538FFE
Similar Colors
Colors visually similar to #538FFE based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #538FFE across image editing and color design tools.
About Color #538FFE (#538FFE)
#538FFE is a blue color (colour) with RGB channel values of 83 red, 143 green, and 254 blue. The blue channel is dominant by a ratio of 3.1:1 over the weakest channel. In HSL terms, the hue sits at 219 degrees with 99% saturation and 66% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #538FFE is 138/255 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 67% cyan, 44% magenta, 0% yellow, and 0% key (black).
The WCAG contrast ratio of #538FFE against white is 3.12:1 and against black is 6.73:1. 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 6.73:1.
The complementary colour #FEC252 creates maximum visual tension when paired with #538FFE. For more harmonious color combinations, use the analogous colours #52E4FE and #6C52FE, 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 #538FFE
- 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 #538FFE?
- #538FFE is Color #538FFE, a blue color (colour) with RGB(83, 143, 254), HSL(219, 99%, 66%), and CMYK(67%, 44%, 0%, 0%). Its perceived brightness is 138/255.
- Is #538FFE accessible for text?
- Against white, #538FFE has a contrast ratio of 3.12:1 (fails AA for normal text). Against black, it has 6.73:1 (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 #538FFE?
- The complementary colour is #FEC252 (hue 39). For subtle color combinations, use analogous colours #52E4FE and #6C52FE. The triadic palette adds #FE528F and #8FFE52 for vibrant variety.
- How do I use #538FFE in CSS?
- Use any format: color: #538ffe; or rgb(83, 143, 254); or hsl(219, 99%, 66%). For CSS custom properties: --color-primary: 219 99% 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.