Color #BB2A40 Color / Colour Code #BB2A40
This page shows the hex color code for color #bb2a40 (#BB2A40). The colour is a red tone with 63% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #BB2A40 against common backgrounds.
Complementary Colors
#BB2A40 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 321, 351, and 21 degrees for harmonious combinations.
Triadic Palette
Three colors at 351, 111, and 231 degrees.
Color Palettes Using #BB2A40
Five shades at lightness levels 15% through 85% while keeping hue at 351 and saturation at 63%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 351 to 36 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 351 with its complement at 171 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 #BB2A40
Lightness variations at hue 351 and 63% saturation.
CSS Gradients with #BB2A40
Design Use Cases for #BB2A40
Vibrant Brand Color
#BB2A40 has a strong 63% 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 45% lightness, #BB2A40 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
#BB2A40 falls in the red spectrum (hue 351). 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 #BB2A40 (hue 351) to its complement at hue 171. For a subtler effect, try pairing with an analogous color at hue 21. Use CSS: background: linear-gradient(135deg, #bb2a40, #2abba5);
CSS Code for #BB2A40
Similar Colors
Colors visually similar to #BB2A40 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #BB2A40 across image editing and color design tools.
About Color #BB2A40 (#BB2A40)
#BB2A40 is a red color (colour) with RGB channel values of 187 red, 42 green, and 64 blue. The red channel is dominant by a ratio of 4.5:1 over the weakest channel. In HSL terms, the hue sits at 351 degrees with 63% saturation and 45% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #BB2A40 is 88/255 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, 78% magenta, 66% yellow, and 27% key (black).
The WCAG contrast ratio of #BB2A40 against white is 5.97:1 and against black is 3.52:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 31% lightness.
The complementary colour #2ABBA5 creates maximum visual tension when paired with #BB2A40. For more harmonious color combinations, use the analogous colours #BB2A88 and #BB5D2A, 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 #BB2A40
- 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 #BB2A40?
- #BB2A40 is Color #BB2A40, a red color (colour) with RGB(187, 42, 64), HSL(351, 63%, 45%), and CMYK(0%, 78%, 66%, 27%). Its perceived brightness is 88/255.
- Is #BB2A40 accessible for text?
- Against white, #BB2A40 has a contrast ratio of 5.97:1 (passes AA for normal text). Against black, it has 3.52:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #BB2A40?
- The complementary colour is #2ABBA5 (hue 171). For subtle color combinations, use analogous colours #BB2A88 and #BB5D2A. The triadic palette adds #40BB2A and #2A40BB for vibrant variety.
- How do I use #BB2A40 in CSS?
- Use any format: color: #bb2a40; or rgb(187, 42, 64); or hsl(351, 63%, 45%). For CSS custom properties: --color-primary: 351 63% 45%; 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.