Color #03091C Color / Colour Code #03091C
This page shows the hex color code for color #03091c (#03091C). The colour is a blue tone with 81% saturation and 6% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #03091C against common backgrounds.
Complementary Colors
#03091C paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 196, 226, and 256 degrees for harmonious combinations.
Triadic Palette
Three colors at 226, 346, and 106 degrees.
Color Palettes Using #03091C
Five shades at lightness levels 15% through 85% while keeping hue at 226 and saturation at 81%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 226 to 271 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 226 with its complement at 46 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 #03091C
Lightness variations at hue 226 and 81% saturation.
CSS Gradients with #03091C
Design Use Cases for #03091C
Vibrant Brand Color
#03091C has a strong 81% 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 6% lightness, #03091C 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.
Trust & Professional Identity
#03091C sits in the blue range (hue 226). Blue is the world's most popular color for corporate identities because it conveys trust, stability, and competence. Use it for navigation bars, link text, form focus states, and any element where user confidence matters. Financial, healthcare, and technology brands rely heavily on this hue range.
Gradient Pairing
Create a gradient from #03091C (hue 226) to its complement at hue 46. For a subtler effect, try pairing with an analogous color at hue 256. Use CSS: background: linear-gradient(135deg, #03091c, #1c1603);
CSS Code for #03091C
Similar Colors
Colors visually similar to #03091C based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #03091C across image editing and color design tools.
About Color #03091C (#03091C)
#03091C is a blue color (colour) with RGB channel values of 3 red, 9 green, and 28 blue. The blue channel is dominant by a ratio of 9.3:1 over the weakest channel. In HSL terms, the hue sits at 226 degrees with 81% saturation and 6% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #03091C is 9/255 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 89% cyan, 68% magenta, 0% yellow, and 89% key (black).
The WCAG contrast ratio of #03091C against white is 19.82:1 and against black is 1.06:1. 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 #1C1603 creates maximum visual tension when paired with #03091C. For more harmonious color combinations, use the analogous colours #03151C and #0A031C, 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 #03091C
- 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 #03091C?
- #03091C is Color #03091C, a blue color (colour) with RGB(3, 9, 28), HSL(226, 81%, 6%), and CMYK(89%, 68%, 0%, 89%). Its perceived brightness is 9/255.
- Is #03091C accessible for text?
- Against white, #03091C has a contrast ratio of 19.82:1 (passes AA for normal text). Against black, it has 1.06:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #03091C?
- The complementary colour is #1C1603 (hue 46). For subtle color combinations, use analogous colours #03151C and #0A031C. The triadic palette adds #1C0309 and #091C03 for vibrant variety.
- How do I use #03091C in CSS?
- Use any format: color: #03091c; or rgb(3, 9, 28); or hsl(226, 81%, 6%). For CSS custom properties: --color-primary: 226 81% 6%; 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.