Recognised as Colour
#191B9C
- #191B9C
- Blue
- Dark
- Nearest: Dark blue
#191B9C is a blue with RGB values 25, 27, 156 and HSL 239°, 72%, 35%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#191B9C#191B9C
HEX#191B9C
RGBrgb(25, 27, 156)
RGB (0–1)0.098, 0.1059, 0.6118
RGB percentages9.8%, 10.6%, 61.2%
HSLhsl(239.1, 72.4%, 35.5%)
HSV / HSBhsv(239.1, 84%, 61.2%)
CMYK84%, 82.7%, 0%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,645,468
CSS custom property--colour: #191B9C;
Brightness & contrast
Relative luminance0.03391WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.51:1
Contrast with white12.51:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#E6E463
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.51:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9C9A19
Analogous#195D9C, #58199C
Triadic#9C191B, #1B9C19
Split complementary#9C5919, #5C9C19
Tetradic#9C195D, #9C9A19, #199C59
Tints, shades & saturation
Channel breakdown
R25
G27
B156
Red25 (9.8%)
Green27 (10.6%)
Blue156 (61.2%)
Hue239.08°
Saturation (HSL)72.38%
Lightness35.49%
Dominant channelBlue
Hex per channelR 19 · G 1B · B 9C
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