Color #039AF4 Color / Colour Code #039AF4
This page shows the hex color code for color #039af4 (#039AF4). The colour is a blue tone with 98% saturation and 48% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #039AF4 against common backgrounds.
Complementary Colors
#039AF4 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 172, 202, and 232 degrees for harmonious combinations.
Triadic Palette
Three colors at 202, 322, and 82 degrees.
Color Palettes Using #039AF4
Five shades at lightness levels 15% through 85% while keeping hue at 202 and saturation at 98%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 202 to 247 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 202 with its complement at 22 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 #039AF4
Lightness variations at hue 202 and 98% saturation.
CSS Gradients with #039AF4
Design Use Cases for #039AF4
High-Impact Accent
With 98% saturation, #039AF4 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.
Primary Interface Color
At 48% lightness, #039AF4 is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Trust & Professional Identity
#039AF4 sits in the blue range (hue 202). 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 #039AF4 (hue 202) to its complement at hue 22. For a subtler effect, try pairing with an analogous color at hue 232. Use CSS: background: linear-gradient(135deg, #039af4, #f25a02);
CSS Code for #039AF4
Similar Colors
Colors visually similar to #039AF4 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #039AF4 across image editing and color design tools.
About Color #039AF4 (#039AF4)
#039AF4 is a blue color (colour) with RGB channel values of 3 red, 154 green, and 244 blue. The blue channel is dominant by a ratio of 81.3:1 over the weakest channel. In HSL terms, the hue sits at 202 degrees with 98% saturation and 48% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #039AF4 is 119/255 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 99% cyan, 37% magenta, 0% yellow, and 4% key (black).
The WCAG contrast ratio of #039AF4 against white is 3.03:1 and against black is 6.93:1. 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 6.93:1.
The complementary colour #F25A02 creates maximum visual tension when paired with #039AF4. For more harmonious color combinations, use the analogous colours #02F2D2 and #0222F2, 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 #039AF4
- 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 #039AF4?
- #039AF4 is Color #039AF4, a blue color (colour) with RGB(3, 154, 244), HSL(202, 98%, 48%), and CMYK(99%, 37%, 0%, 4%). Its perceived brightness is 119/255.
- Is #039AF4 accessible for text?
- Against white, #039AF4 has a contrast ratio of 3.03:1 (fails AA for normal text). Against black, it has 6.93:1 (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 #039AF4?
- The complementary colour is #F25A02 (hue 22). For subtle color combinations, use analogous colours #02F2D2 and #0222F2. The triadic palette adds #F2029A and #9AF202 for vibrant variety.
- How do I use #039AF4 in CSS?
- Use any format: color: #039af4; or rgb(3, 154, 244); or hsl(202, 98%, 48%). For CSS custom properties: --color-primary: 202 98% 48%; 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.