Color #03121A Color / Colour Code #03121A
This page shows the hex color code for color #03121a (#03121A). The colour is a blue tone with 79% saturation and 6% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #03121A against common backgrounds.
Complementary Colors
#03121A paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 171, 201, and 231 degrees for harmonious combinations.
Triadic Palette
Three colors at 201, 321, and 81 degrees.
Color Palettes Using #03121A
Five shades at lightness levels 15% through 85% while keeping hue at 201 and saturation at 79%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 201 to 246 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 201 with its complement at 21 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 #03121A
Lightness variations at hue 201 and 79% saturation.
CSS Gradients with #03121A
Design Use Cases for #03121A
Vibrant Brand Color
#03121A has a strong 79% 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, #03121A 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
#03121A sits in the blue range (hue 201). 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 #03121A (hue 201) to its complement at hue 21. For a subtler effect, try pairing with an analogous color at hue 231. Use CSS: background: linear-gradient(135deg, #03121a, #1b0c03);
CSS Code for #03121A
Similar Colors
Colors visually similar to #03121A based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #03121A across image editing and color design tools.
About Color #03121A (#03121A)
#03121A is a blue color (colour) with RGB channel values of 3 red, 18 green, and 26 blue. The blue channel is dominant by a ratio of 8.7:1 over the weakest channel. In HSL terms, the hue sits at 201 degrees with 79% saturation and 6% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #03121A is 14/255 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 88% cyan, 31% magenta, 0% yellow, and 90% key (black).
The WCAG contrast ratio of #03121A against white is 19.00:1 and against black is 1.11:1. 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 #1B0C03 creates maximum visual tension when paired with #03121A. For more harmonious color combinations, use the analogous colours #031B18 and #03071B, 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 #03121A
- 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 #03121A?
- #03121A is Color #03121A, a blue color (colour) with RGB(3, 18, 26), HSL(201, 79%, 6%), and CMYK(88%, 31%, 0%, 90%). Its perceived brightness is 14/255.
- Is #03121A accessible for text?
- Against white, #03121A has a contrast ratio of 19.00:1 (passes AA for normal text). Against black, it has 1.11:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #03121A?
- The complementary colour is #1B0C03 (hue 21). For subtle color combinations, use analogous colours #031B18 and #03071B. The triadic palette adds #1B0313 and #131B03 for vibrant variety.
- How do I use #03121A in CSS?
- Use any format: color: #03121a; or rgb(3, 18, 26); or hsl(201, 79%, 6%). For CSS custom properties: --color-primary: 201 79% 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.