#0000bb - Antarctic Circle color

This is a vivid, saturated blue with a deep, cool intensity—think royal or cobalt blue leaning toward an electric hue. It reads bold against pale backgrounds and offers clear legibility when used for highlights or links. The color suggests professionalism, calm confidence, and modernity, pairing well with warm neutrals or bright accents. It evokes nighttime skies and deep water, making it suitable for tech, corporate branding, or any design needing a crisp, authoritative blue presence.

#0000bb color RGB value is 0, 0, 187, and the CMYK value is 1.00, 1.00, 0.00, 0.267. Alternative names for that color are: antarctic circle, blue, mediumblue, dark blue, purple heart.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	0, 0, 187	rgb(0, 0, 187)
CMYK	1.00, 1.00, 0.00, 0.267	-
sRGB	0.00, 0.00, 0.733	rgb(0%, 0%, 73.3%)
Adobe® 98 RGB compatible	2.96e-8, 0.00, 0.714	color(a98-rgb, 0, 0, 0.714)
HCT	283, 71.8, 22.3	color(--hct, 283, 49.5%, 22.3%)
HSL	240, 100, 36.7	hsl(240, 100%, 36.7%)
HSV	240, 100, 73.3	color(--hsv, 240, 100%, 73.3%)
HWB	240, 0.00, 26.7	hwb(240, 0%, 26.7%)
Lab	20.1, 54.1, -88.7	lab(20.1%, 54.1, -88.7)
P3	-3.59e-16, 2.24e-17, 0.703	color(display-p3, 0, 0, 0.703)
XYZ D50	0.0711, 0.0301, 0.355	color(xyz-d50, 0.071, 0.03, 0.355)