Color #359AFF Color / Colour Code #359AFF
This page shows the hex color code for color #359aff (#359AFF). The colour is a blue tone with 100% saturation and 60% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #359AFF against common backgrounds.
Complementary Colors
#359AFF paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 180, 210, and 240 degrees for harmonious combinations.
Triadic Palette
Three colors at 210, 330, and 90 degrees.
Color Palettes Using #359AFF
Five shades at lightness levels 15% through 85% while keeping hue at 210 and saturation at 100%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 210 to 255 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 210 with its complement at 30 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 #359AFF
Lightness variations at hue 210 and 100% saturation.
CSS Gradients with #359AFF
Design Use Cases for #359AFF
High-Impact Accent
With 100% saturation, #359AFF 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 60% lightness, #359AFF 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
#359AFF sits in the blue range (hue 210). 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 #359AFF (hue 210) to its complement at hue 30. For a subtler effect, try pairing with an analogous color at hue 240. Use CSS: background: linear-gradient(135deg, #359aff, #ff9933);
CSS Code for #359AFF
Similar Colors
Colors visually similar to #359AFF based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #359AFF across image editing and color design tools.
About Color #359AFF (#359AFF)
#359AFF is a blue color (colour) with RGB channel values of 53 red, 154 green, and 255 blue. The blue channel is dominant by a ratio of 4.8:1 over the weakest channel. In HSL terms, the hue sits at 210 degrees with 100% saturation and 60% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #359AFF is 135/255 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 79% cyan, 40% magenta, 0% yellow, and 0% key (black).
The WCAG contrast ratio of #359AFF against white is 2.91:1 and against black is 7.22:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.22:1, or use it exclusively for decorative purposes.
The complementary colour #FF9933 creates maximum visual tension when paired with #359AFF. For more harmonious color combinations, use the analogous colours #33FFFF and #3333FF, 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 #359AFF
- 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 #359AFF?
- #359AFF is Color #359AFF, a blue color (colour) with RGB(53, 154, 255), HSL(210, 100%, 60%), and CMYK(79%, 40%, 0%, 0%). Its perceived brightness is 135/255.
- Is #359AFF accessible for text?
- Against white, #359AFF has a contrast ratio of 2.91:1 (fails AA for normal text). Against black, it has 7.22:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #359AFF?
- The complementary colour is #FF9933 (hue 30). For subtle color combinations, use analogous colours #33FFFF and #3333FF. The triadic palette adds #FF3399 and #99FF33 for vibrant variety.
- How do I use #359AFF in CSS?
- Use any format: color: #359aff; or rgb(53, 154, 255); or hsl(210, 100%, 60%). For CSS custom properties: --color-primary: 210 100% 60%; 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.