Color #1D1736 Color / Colour Code #1D1736
This page shows the hex color code for color #1d1736 (#1D1736). The colour is a blue tone with 40% saturation and 15% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #1D1736 against common backgrounds.
Complementary Colors
#1D1736 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 222, 252, and 282 degrees for harmonious combinations.
Triadic Palette
Three colors at 252, 12, and 132 degrees.
Color Palettes Using #1D1736
Five shades at lightness levels 15% through 85% while keeping hue at 252 and saturation at 40%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 252 to 297 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 252 with its complement at 72 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 #1D1736
Lightness variations at hue 252 and 40% saturation.
CSS Gradients with #1D1736
Design Use Cases for #1D1736
Balanced UI Color
At 40% saturation, #1D1736 strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Deep Accent & Text Color
#1D1736 at 15% lightness is dark enough for readable body text on light backgrounds while retaining its blue character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Trust & Professional Identity
#1D1736 sits in the blue range (hue 252). 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 #1D1736 (hue 252) to its complement at hue 72. For a subtler effect, try pairing with an analogous color at hue 282. Use CSS: background: linear-gradient(135deg, #1d1736, #2f3617);
CSS Code for #1D1736
Similar Colors
Colors visually similar to #1D1736 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #1D1736 across image editing and color design tools.
About Color #1D1736 (#1D1736)
#1D1736 is a blue color (colour) with RGB channel values of 29 red, 23 green, and 54 blue. The blue channel is dominant by a ratio of 2.3:1 over the weakest channel. In HSL terms, the hue sits at 252 degrees with 40% saturation and 15% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #1D1736 is 28/255 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 46% cyan, 57% magenta, 0% yellow, and 79% key (black).
The WCAG contrast ratio of #1D1736 against white is 17.10:1 and against black is 1.23:1. 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 #2F3617 creates maximum visual tension when paired with #1D1736. For more harmonious color combinations, use the analogous colours #172036 and #2C1736, 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 #1D1736
- 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 #1D1736?
- #1D1736 is Color #1D1736, a blue color (colour) with RGB(29, 23, 54), HSL(252, 40%, 15%), and CMYK(46%, 57%, 0%, 79%). Its perceived brightness is 28/255.
- Is #1D1736 accessible for text?
- Against white, #1D1736 has a contrast ratio of 17.10:1 (passes AA for normal text). Against black, it has 1.23:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #1D1736?
- The complementary colour is #2F3617 (hue 72). For subtle color combinations, use analogous colours #172036 and #2C1736. The triadic palette adds #361D17 and #17361D for vibrant variety.
- How do I use #1D1736 in CSS?
- Use any format: color: #1d1736; or rgb(29, 23, 54); or hsl(252, 40%, 15%). For CSS custom properties: --color-primary: 252 40% 15%; 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.