Color #307397 Color / Colour Code #307397
This page shows the hex color code for color #307397 (#307397). The colour is a blue tone with 52% saturation and 39% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #307397 against common backgrounds.
Complementary Colors
#307397 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 #307397
Five shades at lightness levels 15% through 85% while keeping hue at 201 and saturation at 52%. 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 #307397
Lightness variations at hue 201 and 52% saturation.
CSS Gradients with #307397
Design Use Cases for #307397
Balanced UI Color
At 52% saturation, #307397 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.
Primary Interface Color
At 39% lightness, #307397 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
#307397 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 #307397 (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, #307397, #975430);
CSS Code for #307397
Similar Colors
Colors visually similar to #307397 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #307397 across image editing and color design tools.
About Color #307397 (#307397)
#307397 is a blue color (colour) with RGB channel values of 48 red, 115 green, and 151 blue. The blue channel is dominant by a ratio of 3.1:1 over the weakest channel. In HSL terms, the hue sits at 201 degrees with 52% saturation and 39% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #307397 is 99/255 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 68% cyan, 24% magenta, 0% yellow, and 41% key (black).
The WCAG contrast ratio of #307397 against white is 5.22:1 and against black is 4.02:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 27% lightness.
The complementary colour #975430 creates maximum visual tension when paired with #307397. For more harmonious color combinations, use the analogous colours #309788 and #303F97, 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 #307397
- 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 #307397?
- #307397 is Color #307397, a blue color (colour) with RGB(48, 115, 151), HSL(201, 52%, 39%), and CMYK(68%, 24%, 0%, 41%). Its perceived brightness is 99/255.
- Is #307397 accessible for text?
- Against white, #307397 has a contrast ratio of 5.22:1 (passes AA for normal text). Against black, it has 4.02:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #307397?
- The complementary colour is #975430 (hue 21). For subtle color combinations, use analogous colours #309788 and #303F97. The triadic palette adds #973073 and #739730 for vibrant variety.
- How do I use #307397 in CSS?
- Use any format: color: #307397; or rgb(48, 115, 151); or hsl(201, 52%, 39%). For CSS custom properties: --color-primary: 201 52% 39%; 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.