Colour
#172EA7
- #172EA7
- Blue
- Dark
- Nearest: Navy
#172EA7 is a blue with RGB values 23, 46, 167 and HSL 230°, 76%, 37%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Navy.
Colour values
#172EA7#172EA7
HEX#172EA7
RGBrgb(23, 46, 167)
RGB (0–1)0.0902, 0.1804, 0.6549
RGB percentages9%, 18%, 65.5%
HSLhsl(230.4, 75.8%, 37.3%)
HSV / HSBhsv(230.4, 86.2%, 65.5%)
CMYK86.2%, 72.5%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,519,271
CSS custom property--colour: #172EA7;
Brightness & contrast
Relative luminance0.04926WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.58:1
Contrast with white10.58:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#E8D158
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.58:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A79017
Analogous#1776A7, #4817A7
Triadic#A7172E, #2EA717
Split complementary#A74817, #76A717
Tetradic#A71776, #A79017, #17A748
Tints, shades & saturation
Channel breakdown
R23
G46
B167
Red23 (9%)
Green46 (18%)
Blue167 (65.5%)
Hue230.42°
Saturation (HSL)75.79%
Lightness37.25%
Dominant channelBlue
Hex per channelR 17 · G 2E · B A7
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