Color #0B2217 Color / Colour Code #0B2217
This page shows the hex color code for color #0b2217 (#0B2217). The colour is a cyan tone with 51% saturation and 9% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #0B2217 against common backgrounds.
Complementary Colors
#0B2217 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 121, 151, and 181 degrees for harmonious combinations.
Triadic Palette
Three colors at 151, 271, and 31 degrees.
Color Palettes Using #0B2217
Five shades at lightness levels 15% through 85% while keeping hue at 151 and saturation at 51%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 151 to 196 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 151 with its complement at 331 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 #0B2217
Lightness variations at hue 151 and 51% saturation.
CSS Gradients with #0B2217
Design Use Cases for #0B2217
Balanced UI Color
At 51% saturation, #0B2217 strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Dark Mode Background
At just 9% lightness, #0B2217 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.
Clarity & Technology
#0B2217 is in the cyan spectrum (hue 151). 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 #0B2217 (hue 151) to its complement at hue 331. For a subtler effect, try pairing with an analogous color at hue 181. Use CSS: background: linear-gradient(135deg, #0b2217, #230b17);
CSS Code for #0B2217
Similar Colors
Colors visually similar to #0B2217 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0B2217 across image editing and color design tools.
About Color #0B2217 (#0B2217)
#0B2217 is a cyan color (colour) with RGB channel values of 11 red, 34 green, and 23 blue. The green channel is dominant by a ratio of 3.1:1 over the weakest channel. In HSL terms, the hue sits at 151 degrees with 51% saturation and 9% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #0B2217 is 26/255 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 68% cyan, 0% magenta, 32% yellow, and 87% key (black).
The WCAG contrast ratio of #0B2217 against white is 16.73:1 and against black is 1.26:1. 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 #230B17 creates maximum visual tension when paired with #0B2217. For more harmonious color combinations, use the analogous colours #0B230C and #0B2223, 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 #0B2217
- 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 #0B2217?
- #0B2217 is Color #0B2217, a cyan color (colour) with RGB(11, 34, 23), HSL(151, 51%, 9%), and CMYK(68%, 0%, 32%, 87%). Its perceived brightness is 26/255.
- Is #0B2217 accessible for text?
- Against white, #0B2217 has a contrast ratio of 16.73:1 (passes AA for normal text). Against black, it has 1.26:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0B2217?
- The complementary colour is #230B17 (hue 331). For subtle color combinations, use analogous colours #0B230C and #0B2223. The triadic palette adds #170B23 and #23170B for vibrant variety.
- How do I use #0B2217 in CSS?
- Use any format: color: #0b2217; or rgb(11, 34, 23); or hsl(151, 51%, 9%). For CSS custom properties: --color-primary: 151 51% 9%; 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.