Color #1E3A7D Color / Colour Code #1E3A7D
This page shows the hex color code for color #1e3a7d (#1E3A7D). The colour is a blue tone with 61% saturation and 30% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #1E3A7D against common backgrounds.
Complementary Colors
#1E3A7D paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 192, 222, and 252 degrees for harmonious combinations.
Triadic Palette
Three colors at 222, 342, and 102 degrees.
Color Palettes Using #1E3A7D
Five shades at lightness levels 15% through 85% while keeping hue at 222 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 222 to 267 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 222 with its complement at 42 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 #1E3A7D
Lightness variations at hue 222 and 61% saturation.
CSS Gradients with #1E3A7D
Design Use Cases for #1E3A7D
Vibrant Brand Color
#1E3A7D 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.
Primary Interface Color
At 30% lightness, #1E3A7D 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.
Trust & Professional Identity
#1E3A7D sits in the blue range (hue 222). 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 #1E3A7D (hue 222) to its complement at hue 42. For a subtler effect, try pairing with an analogous color at hue 252. Use CSS: background: linear-gradient(135deg, #1e3a7d, #7b5f1e);
CSS Code for #1E3A7D
Similar Colors
Colors visually similar to #1E3A7D based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #1E3A7D across image editing and color design tools.
About Color #1E3A7D (#1E3A7D)
#1E3A7D is a blue color (colour) with RGB channel values of 30 red, 58 green, and 125 blue. The blue channel is dominant by a ratio of 4.2:1 over the weakest channel. In HSL terms, the hue sits at 222 degrees with 61% saturation and 30% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #1E3A7D is 57/255 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 76% cyan, 54% magenta, 0% yellow, and 51% key (black).
The WCAG contrast ratio of #1E3A7D against white is 10.73:1 and against black is 1.96:1. 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 #7B5F1E creates maximum visual tension when paired with #1E3A7D. For more harmonious color combinations, use the analogous colours #1E687B and #311E7B, 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 #1E3A7D
- 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 #1E3A7D?
- #1E3A7D is Color #1E3A7D, a blue color (colour) with RGB(30, 58, 125), HSL(222, 61%, 30%), and CMYK(76%, 54%, 0%, 51%). Its perceived brightness is 57/255.
- Is #1E3A7D accessible for text?
- Against white, #1E3A7D has a contrast ratio of 10.73:1 (passes AA for normal text). Against black, it has 1.96:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #1E3A7D?
- The complementary colour is #7B5F1E (hue 42). For subtle color combinations, use analogous colours #1E687B and #311E7B. The triadic palette adds #7B1E3A and #3A7B1E for vibrant variety.
- How do I use #1E3A7D in CSS?
- Use any format: color: #1e3a7d; or rgb(30, 58, 125); or hsl(222, 61%, 30%). For CSS custom properties: --color-primary: 222 61% 30%; 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.