Colour
#191B88
- #191B88
- Blue
- Dark
- Nearest: Navy
#191B88 is a blue with RGB values 25, 27, 136 and HSL 239°, 69%, 32%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#191B88#191B88
HEX#191B88
RGBrgb(25, 27, 136)
RGB (0–1)0.098, 0.1059, 0.5333
RGB percentages9.8%, 10.6%, 53.3%
HSLhsl(238.9, 68.9%, 31.6%)
HSV / HSBhsv(238.9, 81.6%, 53.3%)
CMYK81.6%, 80.1%, 0%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,645,448
CSS custom property--colour: #191B88;
Brightness & contrast
Relative luminance0.02768WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.52:1
Contrast with white13.52:1WCAG normal text: AAA
Contrast with black1.55:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#E6E477
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.52:1WCAG large text: AAA
Contrast with black, large text1.55:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#888619
Analogous#195288, #4F1988
Triadic#88191B, #1B8819
Split complementary#884F19, #528819
Tetradic#881952, #888619, #19884F
Tints, shades & saturation
Channel breakdown
R25
G27
B136
Red25 (9.8%)
Green27 (10.6%)
Blue136 (53.3%)
Hue238.92°
Saturation (HSL)68.94%
Lightness31.57%
Dominant channelBlue
Hex per channelR 19 · G 1B · B 88
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