Color #2B47BB Color / Colour Code #2B47BB
This page shows the hex color code for color #2b47bb (#2B47BB). The colour is a blue tone with 63% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #2B47BB against common backgrounds.
Complementary Colors
#2B47BB paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 198, 228, and 258 degrees for harmonious combinations.
Triadic Palette
Three colors at 228, 348, and 108 degrees.
Color Palettes Using #2B47BB
Five shades at lightness levels 15% through 85% while keeping hue at 228 and saturation at 63%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 228 to 273 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 228 with its complement at 48 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 #2B47BB
Lightness variations at hue 228 and 63% saturation.
CSS Gradients with #2B47BB
Design Use Cases for #2B47BB
Vibrant Brand Color
#2B47BB has a strong 63% 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, #2B47BB 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
#2B47BB sits in the blue range (hue 228). 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 #2B47BB (hue 228) to its complement at hue 48. For a subtler effect, try pairing with an analogous color at hue 258. Use CSS: background: linear-gradient(135deg, #2b47bb, #bb9e2a);
CSS Code for #2B47BB
Similar Colors
Colors visually similar to #2B47BB based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #2B47BB across image editing and color design tools.
About Color #2B47BB (#2B47BB)
#2B47BB is a blue color (colour) with RGB channel values of 43 red, 71 green, and 187 blue. The blue channel is dominant by a ratio of 4.3:1 over the weakest channel. In HSL terms, the hue sits at 228 degrees with 63% saturation and 45% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #2B47BB is 76/255 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 77% cyan, 62% magenta, 0% yellow, and 27% key (black).
The WCAG contrast ratio of #2B47BB against white is 7.72:1 and against black is 2.72:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #BB9E2A creates maximum visual tension when paired with #2B47BB. For more harmonious color combinations, use the analogous colours #2A90BB and #562ABB, 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 #2B47BB
- 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 #2B47BB?
- #2B47BB is Color #2B47BB, a blue color (colour) with RGB(43, 71, 187), HSL(228, 63%, 45%), and CMYK(77%, 62%, 0%, 27%). Its perceived brightness is 76/255.
- Is #2B47BB accessible for text?
- Against white, #2B47BB has a contrast ratio of 7.72:1 (passes AA for normal text). Against black, it has 2.72:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #2B47BB?
- The complementary colour is #BB9E2A (hue 48). For subtle color combinations, use analogous colours #2A90BB and #562ABB. The triadic palette adds #BB2A47 and #47BB2A for vibrant variety.
- How do I use #2B47BB in CSS?
- Use any format: color: #2b47bb; or rgb(43, 71, 187); or hsl(228, 63%, 45%). For CSS custom properties: --color-primary: 228 63% 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.