Color #0B331C Color / Colour Code #0B331C
This page shows the hex color code for color #0b331c (#0B331C). The colour is a green tone with 65% saturation and 12% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #0B331C against common backgrounds.
Complementary Colors
#0B331C paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 115, 145, and 175 degrees for harmonious combinations.
Triadic Palette
Three colors at 145, 265, and 25 degrees.
Color Palettes Using #0B331C
Five shades at lightness levels 15% through 85% while keeping hue at 145 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 145 to 190 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 145 with its complement at 325 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 #0B331C
Lightness variations at hue 145 and 65% saturation.
CSS Gradients with #0B331C
Design Use Cases for #0B331C
Vibrant Brand Color
#0B331C 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.
Dark Mode Background
At just 12% lightness, #0B331C 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.
Success & Growth Indicators
#0B331C falls in the green range (hue 145). Green universally represents success, growth, and safety. Use it for confirmation messages, positive chart data, eco-friendly badges, and health metrics. In financial dashboards, green indicates gains and positive performance.
Gradient Pairing
Create a gradient from #0B331C (hue 145) to its complement at hue 325. For a subtler effect, try pairing with an analogous color at hue 175. Use CSS: background: linear-gradient(135deg, #0b331c, #320b22);
CSS Code for #0B331C
Similar Colors
Colors visually similar to #0B331C based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0B331C across image editing and color design tools.
About Color #0B331C (#0B331C)
#0B331C is a green color (colour) with RGB channel values of 11 red, 51 green, and 28 blue. The green channel is dominant by a ratio of 4.6:1 over the weakest channel. In HSL terms, the hue sits at 145 degrees with 65% saturation and 12% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #0B331C is 36/255 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 78% cyan, 0% magenta, 45% yellow, and 80% key (black).
The WCAG contrast ratio of #0B331C against white is 13.96:1 and against black is 1.50:1. 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 #320B22 creates maximum visual tension when paired with #0B331C. For more harmonious color combinations, use the analogous colours #0E320B and #0B322F, 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 #0B331C
- 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 #0B331C?
- #0B331C is Color #0B331C, a green color (colour) with RGB(11, 51, 28), HSL(145, 65%, 12%), and CMYK(78%, 0%, 45%, 80%). Its perceived brightness is 36/255.
- Is #0B331C accessible for text?
- Against white, #0B331C has a contrast ratio of 13.96:1 (passes AA for normal text). Against black, it has 1.50:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0B331C?
- The complementary colour is #320B22 (hue 325). For subtle color combinations, use analogous colours #0E320B and #0B322F. The triadic palette adds #1B0B32 and #321B0B for vibrant variety.
- How do I use #0B331C in CSS?
- Use any format: color: #0b331c; or rgb(11, 51, 28); or hsl(145, 65%, 12%). For CSS custom properties: --color-primary: 145 65% 12%; 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.