Color #0B222F Color / Colour Code #0B222F
This page shows the hex color code for color #0b222f (#0B222F). The colour is a blue tone with 62% saturation and 11% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #0B222F against common backgrounds.
Complementary Colors
#0B222F 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 #0B222F
Five shades at lightness levels 15% through 85% while keeping hue at 202 and saturation at 62%. 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 #0B222F
Lightness variations at hue 202 and 62% saturation.
CSS Gradients with #0B222F
Design Use Cases for #0B222F
Vibrant Brand Color
#0B222F has a strong 62% 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.
Dark Mode Background
At just 11% lightness, #0B222F works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Trust & Professional Identity
#0B222F 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 #0B222F (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, #0b222f, #2d170b);
CSS Code for #0B222F
Similar Colors
Colors visually similar to #0B222F based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0B222F across image editing and color design tools.
About Color #0B222F (#0B222F)
#0B222F is a blue color (colour) with RGB channel values of 11 red, 34 green, and 47 blue. The blue channel is dominant by a ratio of 4.3:1 over the weakest channel. In HSL terms, the hue sits at 202 degrees with 62% saturation and 11% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #0B222F is 29/255 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, 28% magenta, 0% yellow, and 82% key (black).
The WCAG contrast ratio of #0B222F against white is 16.35:1 and against black is 1.28:1. 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 #2D170B creates maximum visual tension when paired with #0B222F. For more harmonious color combinations, use the analogous colours #0B2D29 and #0B0F2D, 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 #0B222F
- 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 #0B222F?
- #0B222F is Color #0B222F, a blue color (colour) with RGB(11, 34, 47), HSL(202, 62%, 11%), and CMYK(77%, 28%, 0%, 82%). Its perceived brightness is 29/255.
- Is #0B222F accessible for text?
- Against white, #0B222F has a contrast ratio of 16.35:1 (passes AA for normal text). Against black, it has 1.28:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0B222F?
- The complementary colour is #2D170B (hue 22). For subtle color combinations, use analogous colours #0B2D29 and #0B0F2D. The triadic palette adds #2D0B21 and #212D0B for vibrant variety.
- How do I use #0B222F in CSS?
- Use any format: color: #0b222f; or rgb(11, 34, 47); or hsl(202, 62%, 11%). For CSS custom properties: --color-primary: 202 62% 11%; 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.