Color #230B39 Color / Colour Code #230B39
This page shows the hex color code for color #230b39 (#230B39). The colour is a purple tone with 68% saturation and 13% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #230B39 against common backgrounds.
Complementary Colors
#230B39 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 241, 271, and 301 degrees for harmonious combinations.
Triadic Palette
Three colors at 271, 31, and 151 degrees.
Color Palettes Using #230B39
Five shades at lightness levels 15% through 85% while keeping hue at 271 and saturation at 68%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 271 to 316 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 271 with its complement at 91 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 #230B39
Lightness variations at hue 271 and 68% saturation.
CSS Gradients with #230B39
Design Use Cases for #230B39
Vibrant Brand Color
#230B39 has a strong 68% 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.
Dark Mode Background
At just 13% lightness, #230B39 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.
Creativity & Premium Positioning
#230B39 falls in the purple spectrum (hue 271). Purple communicates creativity, wisdom, and luxury. It is effective for premium product highlights, creative portfolio accents, meditation app interfaces, and rewards program branding. Purple occupies a unique space between the energy of red and the calm of blue.
Gradient Pairing
Create a gradient from #230B39 (hue 271) to its complement at hue 91. For a subtler effect, try pairing with an analogous color at hue 301. Use CSS: background: linear-gradient(135deg, #230b39, #20380b);
CSS Code for #230B39
Similar Colors
Colors visually similar to #230B39 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #230B39 across image editing and color design tools.
About Color #230B39 (#230B39)
#230B39 is a purple color (colour) with RGB channel values of 35 red, 11 green, and 57 blue. The blue channel is dominant by a ratio of 5.2:1 over the weakest channel. In HSL terms, the hue sits at 271 degrees with 68% saturation and 13% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #230B39 is 23/255 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 39% cyan, 81% magenta, 0% yellow, and 78% key (black).
The WCAG contrast ratio of #230B39 against white is 17.82:1 and against black is 1.18:1. 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 #20380B creates maximum visual tension when paired with #230B39. For more harmonious color combinations, use the analogous colours #0B0B38 and #380B37, 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 #230B39
- 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 #230B39?
- #230B39 is Color #230B39, a purple color (colour) with RGB(35, 11, 57), HSL(271, 68%, 13%), and CMYK(39%, 81%, 0%, 78%). Its perceived brightness is 23/255.
- Is #230B39 accessible for text?
- Against white, #230B39 has a contrast ratio of 17.82:1 (passes AA for normal text). Against black, it has 1.18:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #230B39?
- The complementary colour is #20380B (hue 91). For subtle color combinations, use analogous colours #0B0B38 and #380B37. The triadic palette adds #38220B and #0B3822 for vibrant variety.
- How do I use #230B39 in CSS?
- Use any format: color: #230b39; or rgb(35, 11, 57); or hsl(271, 68%, 13%). For CSS custom properties: --color-primary: 271 68% 13%; 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.