Color #B30F2D Color / Colour Code #B30F2D
This page shows the hex color code for color #b30f2d (#B30F2D). The colour is a red tone with 85% saturation and 38% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #B30F2D against common backgrounds.
Complementary Colors
#B30F2D paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 319, 349, and 19 degrees for harmonious combinations.
Triadic Palette
Three colors at 349, 109, and 229 degrees.
Color Palettes Using #B30F2D
Five shades at lightness levels 15% through 85% while keeping hue at 349 and saturation at 85%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 349 to 34 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 349 with its complement at 169 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 #B30F2D
Lightness variations at hue 349 and 85% saturation.
CSS Gradients with #B30F2D
Design Use Cases for #B30F2D
High-Impact Accent
With 85% saturation, #B30F2D is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Primary Interface Color
At 38% lightness, #B30F2D 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
#B30F2D falls in the red spectrum (hue 349). 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 #B30F2D (hue 349) to its complement at hue 169. For a subtler effect, try pairing with an analogous color at hue 19. Use CSS: background: linear-gradient(135deg, #b30f2d, #0fb395);
CSS Code for #B30F2D
Similar Colors
Colors visually similar to #B30F2D based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #B30F2D across image editing and color design tools.
About Color #B30F2D (#B30F2D)
#B30F2D is a red color (colour) with RGB channel values of 179 red, 15 green, and 45 blue. The red channel is dominant by a ratio of 11.9:1 over the weakest channel. In HSL terms, the hue sits at 349 degrees with 85% saturation and 38% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #B30F2D is 67/255 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, 92% magenta, 75% yellow, and 30% key (black).
The WCAG contrast ratio of #B30F2D against white is 6.95:1 and against black is 3.02:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 27% lightness.
The complementary colour #0FB395 creates maximum visual tension when paired with #B30F2D. For more harmonious color combinations, use the analogous colours #B30F7F and #B3430F, 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 #B30F2D
- 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 #B30F2D?
- #B30F2D is Color #B30F2D, a red color (colour) with RGB(179, 15, 45), HSL(349, 85%, 38%), and CMYK(0%, 92%, 75%, 30%). Its perceived brightness is 67/255.
- Is #B30F2D accessible for text?
- Against white, #B30F2D has a contrast ratio of 6.95:1 (passes AA for normal text). Against black, it has 3.02:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #B30F2D?
- The complementary colour is #0FB395 (hue 169). For subtle color combinations, use analogous colours #B30F7F and #B3430F. The triadic palette adds #2DB30F and #0F2DB3 for vibrant variety.
- How do I use #B30F2D in CSS?
- Use any format: color: #b30f2d; or rgb(179, 15, 45); or hsl(349, 85%, 38%). For CSS custom properties: --color-primary: 349 85% 38%; 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.