Color #CF403B Color / Colour Code #CF403B
This page shows the hex color code for color #cf403b (#CF403B). The colour is a red tone with 61% saturation and 52% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #CF403B against common backgrounds.
Complementary Colors
#CF403B paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 332, 2, and 32 degrees for harmonious combinations.
Triadic Palette
Three colors at 2, 122, and 242 degrees.
Color Palettes Using #CF403B
Five shades at lightness levels 15% through 85% while keeping hue at 2 and saturation at 61%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 2 to 47 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 2 with its complement at 182 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 #CF403B
Lightness variations at hue 2 and 61% saturation.
CSS Gradients with #CF403B
Design Use Cases for #CF403B
Vibrant Brand Color
#CF403B has a strong 61% 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.
Soft Accent & Highlight
With 52% lightness, #CF403B has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Urgency & Energy Signaling
#CF403B falls in the red spectrum (hue 2). 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 #CF403B (hue 2) to its complement at hue 182. For a subtler effect, try pairing with an analogous color at hue 32. Use CSS: background: linear-gradient(135deg, #cf403b, #3acacf);
CSS Code for #CF403B
Similar Colors
Colors visually similar to #CF403B based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #CF403B across image editing and color design tools.
About Color #CF403B (#CF403B)
#CF403B is a red color (colour) with RGB channel values of 207 red, 64 green, and 59 blue. The red channel is dominant by a ratio of 3.5:1 over the weakest channel. In HSL terms, the hue sits at 2 degrees with 61% saturation and 52% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #CF403B is 106/255 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, 69% magenta, 71% yellow, and 19% key (black).
The WCAG contrast ratio of #CF403B against white is 4.72:1 and against black is 4.45:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 36% lightness.
The complementary colour #3ACACF creates maximum visual tension when paired with #CF403B. For more harmonious color combinations, use the analogous colours #CF3A80 and #CF8A3A, 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 #CF403B
- 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 #CF403B?
- #CF403B is Color #CF403B, a red color (colour) with RGB(207, 64, 59), HSL(2, 61%, 52%), and CMYK(0%, 69%, 71%, 19%). Its perceived brightness is 106/255.
- Is #CF403B accessible for text?
- Against white, #CF403B has a contrast ratio of 4.72:1 (passes AA for normal text). Against black, it has 4.45:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #CF403B?
- The complementary colour is #3ACACF (hue 182). For subtle color combinations, use analogous colours #CF3A80 and #CF8A3A. The triadic palette adds #3ACF3F and #3F3ACF for vibrant variety.
- How do I use #CF403B in CSS?
- Use any format: color: #cf403b; or rgb(207, 64, 59); or hsl(2, 61%, 52%). For CSS custom properties: --color-primary: 2 61% 52%; 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.