Colour
#172FC0
- #172FC0
- Blue
- Dark
- Nearest: Dark blue
#172FC0 is a blue with RGB values 23, 47, 192 and HSL 231°, 79%, 42%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#172FC0#172FC0
HEX#172FC0
RGBrgb(23, 47, 192)
RGB (0–1)0.0902, 0.1843, 0.7529
RGB percentages9%, 18.4%, 75.3%
HSLhsl(231.5, 78.6%, 42.2%)
HSV / HSBhsv(231.5, 88%, 75.3%)
CMYK88%, 75.5%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,519,552
CSS custom property--colour: #172FC0;
Brightness & contrast
Relative luminance0.06021WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.53:1
Contrast with white9.53:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#E8D03F
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.53:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#C0A817
Analogous#1784C0, #5317C0
Triadic#C0172F, #2FC017
Split complementary#C05317, #84C017
Tetradic#C01784, #C0A817, #17C053
Tints, shades & saturation
Channel breakdown
R23
G47
B192
Red23 (9%)
Green47 (18.4%)
Blue192 (75.3%)
Hue231.48°
Saturation (HSL)78.6%
Lightness42.16%
Dominant channelBlue
Hex per channelR 17 · G 2F · B C0
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