Color #0BC5DA Color / Colour Code #0BC5DA
This page shows the hex color code for color #0bc5da (#0BC5DA). The colour is a cyan tone with 90% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #0BC5DA against common backgrounds.
Complementary Colors
#0BC5DA paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 156, 186, and 216 degrees for harmonious combinations.
Triadic Palette
Three colors at 186, 306, and 66 degrees.
Color Palettes Using #0BC5DA
Five shades at lightness levels 15% through 85% while keeping hue at 186 and saturation at 90%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 186 to 231 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 186 with its complement at 6 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 #0BC5DA
Lightness variations at hue 186 and 90% saturation.
CSS Gradients with #0BC5DA
Design Use Cases for #0BC5DA
High-Impact Accent
With 90% saturation, #0BC5DA 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 45% lightness, #0BC5DA 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
#0BC5DA is in the cyan spectrum (hue 186). 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 #0BC5DA (hue 186) to its complement at hue 6. For a subtler effect, try pairing with an analogous color at hue 216. Use CSS: background: linear-gradient(135deg, #0bc5da, #da200b);
CSS Code for #0BC5DA
Similar Colors
Colors visually similar to #0BC5DA based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0BC5DA across image editing and color design tools.
About Color #0BC5DA (#0BC5DA)
#0BC5DA is a cyan color (colour) with RGB channel values of 11 red, 197 green, and 218 blue. The blue channel is dominant by a ratio of 19.8:1 over the weakest channel. In HSL terms, the hue sits at 186 degrees with 90% saturation and 45% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #0BC5DA is 144/255 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 95% cyan, 10% magenta, 0% yellow, and 15% key (black).
The WCAG contrast ratio of #0BC5DA against white is 2.10:1 and against black is 10.01:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 10.01:1, or use it exclusively for decorative purposes.
The complementary colour #DA200B creates maximum visual tension when paired with #0BC5DA. For more harmonious color combinations, use the analogous colours #0BDA87 and #0B5EDA, 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 #0BC5DA
- 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 #0BC5DA?
- #0BC5DA is Color #0BC5DA, a cyan color (colour) with RGB(11, 197, 218), HSL(186, 90%, 45%), and CMYK(95%, 10%, 0%, 15%). Its perceived brightness is 144/255.
- Is #0BC5DA accessible for text?
- Against white, #0BC5DA has a contrast ratio of 2.10:1 (fails AA for normal text). Against black, it has 10.01:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0BC5DA?
- The complementary colour is #DA200B (hue 6). For subtle color combinations, use analogous colours #0BDA87 and #0B5EDA. The triadic palette adds #DA0BC5 and #C5DA0B for vibrant variety.
- How do I use #0BC5DA in CSS?
- Use any format: color: #0bc5da; or rgb(11, 197, 218); or hsl(186, 90%, 45%). For CSS custom properties: --color-primary: 186 90% 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.