#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.

color #0000bb

#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.

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)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#0000bb
RGB:0 0 187
HSL:240deg 100% 36.67%
HEX:#bbbb00
RGB:187 187 0
HSL:60deg 100% 36.67%

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