Color #28B3BD Color / Colour Code #28B3BD
This page shows the hex color code for color #28b3bd (#28B3BD). The colour is a cyan tone with 65% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #28B3BD against common backgrounds.
Complementary Colors
#28B3BD paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 154, 184, and 214 degrees for harmonious combinations.
Triadic Palette
Three colors at 184, 304, and 64 degrees.
Color Palettes Using #28B3BD
Five shades at lightness levels 15% through 85% while keeping hue at 184 and saturation at 65%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 184 to 229 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 184 with its complement at 4 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 #28B3BD
Lightness variations at hue 184 and 65% saturation.
CSS Gradients with #28B3BD
Design Use Cases for #28B3BD
Vibrant Brand Color
#28B3BD has a strong 65% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Primary Interface Color
At 45% lightness, #28B3BD 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.
Clarity & Technology
#28B3BD is in the cyan spectrum (hue 184). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #28B3BD (hue 184) to its complement at hue 4. For a subtler effect, try pairing with an analogous color at hue 214. Use CSS: background: linear-gradient(135deg, #28b3bd, #bd3228);
CSS Code for #28B3BD
Similar Colors
Colors visually similar to #28B3BD based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #28B3BD across image editing and color design tools.
About Color #28B3BD (#28B3BD)
#28B3BD is a cyan color (colour) with RGB channel values of 40 red, 179 green, and 189 blue. The blue channel is dominant by a ratio of 4.7:1 over the weakest channel. In HSL terms, the hue sits at 184 degrees with 65% saturation and 45% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #28B3BD is 139/255 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, 5% magenta, 0% yellow, and 26% key (black).
The WCAG contrast ratio of #28B3BD against white is 2.54:1 and against black is 8.27:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 8.27:1, or use it exclusively for decorative purposes.
The complementary colour #BD3228 creates maximum visual tension when paired with #28B3BD. For more harmonious color combinations, use the analogous colours #28BD7D and #2869BD, 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 #28B3BD
- 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 #28B3BD?
- #28B3BD is Color #28B3BD, a cyan color (colour) with RGB(40, 179, 189), HSL(184, 65%, 45%), and CMYK(79%, 5%, 0%, 26%). Its perceived brightness is 139/255.
- Is #28B3BD accessible for text?
- Against white, #28B3BD has a contrast ratio of 2.54:1 (fails AA for normal text). Against black, it has 8.27:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #28B3BD?
- The complementary colour is #BD3228 (hue 4). For subtle color combinations, use analogous colours #28BD7D and #2869BD. The triadic palette adds #BD28B3 and #B3BD28 for vibrant variety.
- How do I use #28B3BD in CSS?
- Use any format: color: #28b3bd; or rgb(40, 179, 189); or hsl(184, 65%, 45%). For CSS custom properties: --color-primary: 184 65% 45%; 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.