What Color Is #139E8F?
When rendered, #139E8F appears as a deep cyan shade. The R:19, G:158, B:143 breakdown shows a cyan-dominant profile with deep depth. At 35% lightness, it sits in the lower half of the brightness range.
Color Meaning of #139E8F
Designers choose cyan tones when their projects require clarity, openness, and modernity. #139E8F inherits these qualities while its deep nature adds visual weight that commands attention and establishes hierarchy.
Where to Use HEX Code #139E8F
Similar HEX Color Codes
HEX Code #139E8F in Design Systems
Design token strategy for #139E8F: assign it as color.cyan.deep in your token hierarchy. From this base, compute tint/shade ramps programmatically using OKLCH (preferred for perceptual uniformity) or HSL adjustments. Export tokens to CSS, iOS, and Android through Style Dictionary or Tokens Studio.
Contrast data: perceived brightness 115/255 positions this color in the dark range where white text at 100% opacity meets WCAG AA. For non-text elements like icons and borders, a 3:1 contrast ratio against the background is the minimum standard.
FAQ About HEX Color Code #139E8F
What color is #139E8F?
#139E8F produces a deep cyan tone. The RGB breakdown (19, 158, 143) shows how the three light channels combine to create this specific cyan hue at 174° on the color wheel.
Is #139E8F a dark or light color?
#139E8F registers as a dark color at 115/255 perceived brightness. In practical terms, white (#FFFFFF) or very light text will provide the best readability.
What colors go well with #139E8F?
#139E8F. Split-complementary (±150°) adds variety with less tension. Monochromatic schemes — lighter and darker cyan shades — are the safest harmonious option.
Can I use #139E8F for branding?
#139E8F can serve as a primary or secondary brand color. Before committing, verify it renders well in both RGB (screens) and CMYK (print), test it against competitor palettes for differentiation, and confirm it meets WCAG contrast requirements in all planned applications.
How do I convert #139E8F to other color formats?
#139E8F to RGB(19, 158, 143) by splitting the hex into three pairs and converting each from base-16 to base-10. HSL(174°, 79%, 35%) is derived from the RGB values using the standard algorithm. Visit our HEX to HSL converter for additional formats.