Color #C12011 Color / Colour Code #C12011
This page shows the hex color code for color #c12011 (#C12011). The colour is a red tone with 84% saturation and 41% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #C12011 against common backgrounds.
Complementary Colors
#C12011 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 335, 5, and 35 degrees for harmonious combinations.
Triadic Palette
Three colors at 5, 125, and 245 degrees.
Color Palettes Using #C12011
Five shades at lightness levels 15% through 85% while keeping hue at 5 and saturation at 84%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 5 to 50 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 5 with its complement at 185 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 #C12011
Lightness variations at hue 5 and 84% saturation.
CSS Gradients with #C12011
Design Use Cases for #C12011
Vibrant Brand Color
#C12011 has a strong 84% 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 41% lightness, #C12011 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.
Urgency & Energy Signaling
#C12011 falls in the red spectrum (hue 5). Red triggers urgency and excitement, making it effective for sale badges, countdown timers, error messages, and "limited time" labels. In data visualization, use it to flag negative values or critical thresholds.
Gradient Pairing
Create a gradient from #C12011 (hue 5) to its complement at hue 185. For a subtler effect, try pairing with an analogous color at hue 35. Use CSS: background: linear-gradient(135deg, #c12011, #11b2c0);
CSS Code for #C12011
Similar Colors
Colors visually similar to #C12011 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #C12011 across image editing and color design tools.
About Color #C12011 (#C12011)
#C12011 is a red color (colour) with RGB channel values of 193 red, 32 green, and 17 blue. The red channel is dominant by a ratio of 11.4:1 over the weakest channel. In HSL terms, the hue sits at 5 degrees with 84% saturation and 41% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #C12011 is 78/255 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 0% cyan, 83% magenta, 91% yellow, and 24% key (black).
The WCAG contrast ratio of #C12011 against white is 6.03:1 and against black is 3.48:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 29% lightness.
The complementary colour #11B2C0 creates maximum visual tension when paired with #C12011. For more harmonious color combinations, use the analogous colours #C0115A and #C07711, 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 #C12011
- 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 #C12011?
- #C12011 is Color #C12011, a red color (colour) with RGB(193, 32, 17), HSL(5, 84%, 41%), and CMYK(0%, 83%, 91%, 24%). Its perceived brightness is 78/255.
- Is #C12011 accessible for text?
- Against white, #C12011 has a contrast ratio of 6.03:1 (passes AA for normal text). Against black, it has 3.48:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #C12011?
- The complementary colour is #11B2C0 (hue 185). For subtle color combinations, use analogous colours #C0115A and #C07711. The triadic palette adds #11C01F and #1F11C0 for vibrant variety.
- How do I use #C12011 in CSS?
- Use any format: color: #c12011; or rgb(193, 32, 17); or hsl(5, 84%, 41%). For CSS custom properties: --color-primary: 5 84% 41%; 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.