Color #17547B Color / Colour Code #17547B
This page shows the hex color code for color #17547b (#17547B). The colour is a blue tone with 68% saturation and 29% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #17547B against common backgrounds.
Complementary Colors
#17547B paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 173, 203, and 233 degrees for harmonious combinations.
Triadic Palette
Three colors at 203, 323, and 83 degrees.
Color Palettes Using #17547B
Five shades at lightness levels 15% through 85% while keeping hue at 203 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 203 to 248 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 203 with its complement at 23 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 #17547B
Lightness variations at hue 203 and 68% saturation.
CSS Gradients with #17547B
Design Use Cases for #17547B
Vibrant Brand Color
#17547B 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.
Deep Accent & Text Color
#17547B at 29% 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
#17547B sits in the blue range (hue 203). 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 #17547B (hue 203) to its complement at hue 23. For a subtler effect, try pairing with an analogous color at hue 233. Use CSS: background: linear-gradient(135deg, #17547b, #7c3e18);
CSS Code for #17547B
Similar Colors
Colors visually similar to #17547B based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #17547B across image editing and color design tools.
About Color #17547B (#17547B)
#17547B is a blue color (colour) with RGB channel values of 23 red, 84 green, and 123 blue. The blue channel is dominant by a ratio of 5.3:1 over the weakest channel. In HSL terms, the hue sits at 203 degrees with 68% saturation and 29% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #17547B is 70/255 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 81% cyan, 32% magenta, 0% yellow, and 52% key (black).
The WCAG contrast ratio of #17547B against white is 8.11:1 and against black is 2.59:1. 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 #7C3E18 creates maximum visual tension when paired with #17547B. For more harmonious color combinations, use the analogous colours #187C71 and #18237C, 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 #17547B
- 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 #17547B?
- #17547B is Color #17547B, a blue color (colour) with RGB(23, 84, 123), HSL(203, 68%, 29%), and CMYK(81%, 32%, 0%, 52%). Its perceived brightness is 70/255.
- Is #17547B accessible for text?
- Against white, #17547B has a contrast ratio of 8.11:1 (passes AA for normal text). Against black, it has 2.59:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #17547B?
- The complementary colour is #7C3E18 (hue 23). For subtle color combinations, use analogous colours #187C71 and #18237C. The triadic palette adds #7C1856 and #567C18 for vibrant variety.
- How do I use #17547B in CSS?
- Use any format: color: #17547b; or rgb(23, 84, 123); or hsl(203, 68%, 29%). For CSS custom properties: --color-primary: 203 68% 29%; 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.