Color #215BEE Color / Colour Code #215BEE
This page shows the hex color code for color #215bee (#215BEE). The colour is a blue tone with 86% saturation and 53% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #215BEE against common backgrounds.
Complementary Colors
#215BEE paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 193, 223, and 253 degrees for harmonious combinations.
Triadic Palette
Three colors at 223, 343, and 103 degrees.
Color Palettes Using #215BEE
Five shades at lightness levels 15% through 85% while keeping hue at 223 and saturation at 86%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 223 to 268 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 223 with its complement at 43 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 #215BEE
Lightness variations at hue 223 and 86% saturation.
CSS Gradients with #215BEE
Design Use Cases for #215BEE
High-Impact Accent
With 86% saturation, #215BEE 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 53% lightness, #215BEE 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
#215BEE sits in the blue range (hue 223). 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 #215BEE (hue 223) to its complement at hue 43. For a subtler effect, try pairing with an analogous color at hue 253. Use CSS: background: linear-gradient(135deg, #215bee, #eeb420);
CSS Code for #215BEE
Similar Colors
Colors visually similar to #215BEE based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #215BEE across image editing and color design tools.
About Color #215BEE (#215BEE)
#215BEE is a blue color (colour) with RGB channel values of 33 red, 91 green, and 238 blue. The blue channel is dominant by a ratio of 7.2:1 over the weakest channel. In HSL terms, the hue sits at 223 degrees with 86% saturation and 53% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #215BEE is 90/255 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 86% cyan, 62% magenta, 0% yellow, and 7% key (black).
The WCAG contrast ratio of #215BEE against white is 5.53:1 and against black is 3.80:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 37% lightness.
The complementary colour #EEB420 creates maximum visual tension when paired with #215BEE. For more harmonious color combinations, use the analogous colours #20C2EE and #4D20EE, 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 #215BEE
- 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 #215BEE?
- #215BEE is Color #215BEE, a blue color (colour) with RGB(33, 91, 238), HSL(223, 86%, 53%), and CMYK(86%, 62%, 0%, 7%). Its perceived brightness is 90/255.
- Is #215BEE accessible for text?
- Against white, #215BEE has a contrast ratio of 5.53:1 (passes AA for normal text). Against black, it has 3.80:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #215BEE?
- The complementary colour is #EEB420 (hue 43). For subtle color combinations, use analogous colours #20C2EE and #4D20EE. The triadic palette adds #EE205A and #5AEE20 for vibrant variety.
- How do I use #215BEE in CSS?
- Use any format: color: #215bee; or rgb(33, 91, 238); or hsl(223, 86%, 53%). For CSS custom properties: --color-primary: 223 86% 53%; 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.