Closest to Steel Blue
#0369A1
Color conversions
Reference values for common CSS, design, and accessibility formats.
| Format | Value | Preview | Copy |
|---|---|---|---|
| HEX | 0369A1 | ||
| HEX with # | #0369A1 | ||
| RGB | rgb(3, 105, 161) | ||
| RGBA | rgba(3, 105, 161, 1) | ||
| HSL | hsl(201.27 96.34% 32.16%) | ||
| HSLA | hsla(201.27, 96.34%, 32.16%, 1) | ||
| HSV | hsv(201.27, 98.14%, 63.14%) | ||
| CMYK | cmyk(98.14%, 34.78%, 0%, 36.86%) | ||
| OKLCH | oklch(50% 0.1193 242.75) |
Closest named matches
Color modifications
Lighter shades
Saturation steps
Suggested pairings
Split-complementary
Try this combo as a gradientUse this color in CSS
--color: #0369A1;
bg-[#0369a1]
Accessibility quick-check
White text
5.93:1
AA normal
Black text
3.54:1
AA large
Reference notes
The hex value #0369A1 sits in the blue range with a deep appearance and saturated chroma. Measured through common web color formats, the channels resolve to rgb(3 105 161) and an HSL lightness of 32%, which explains its visual density. The cool cast matters because neighboring colors can make the same hex feel sharper, calmer, or more neutral than it appears in isolation. Because web color is device-dependent, treat the numeric conversion table as the stable reference and use the visual swatch as a quick sanity check. The linked variants and pairings give nearby colors for systematic palettes, while the CSS Forge links let the same value move directly into CSS experiments. For brand-adjacent work, compare the closest named colors before reusing it, because a familiar name can change how stakeholders describe the same swatch. Designers can use it in interfaces that need weight, contrast, or a more formal visual register. When combined with lighter or darker variants, it gives enough range for borders, fills, and active states.