Recognised as Colour
#102AAC
- #102AAC
- Blue
- Dark
- Nearest: Dark blue
#102AAC is a blue with RGB values 16, 42, 172 and HSL 230°, 83%, 37%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#102AAC#102AAC
HEX#102AAC
RGBrgb(16, 42, 172)
RGB (0–1)0.0627, 0.1647, 0.6745
RGB percentages6.3%, 16.5%, 67.5%
HSLhsl(230, 83%, 36.9%)
HSV / HSBhsv(230, 90.7%, 67.5%)
CMYK90.7%, 75.6%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,059,500
CSS custom property--colour: #102AAC;
Brightness & contrast
Relative luminance0.04745WCAG 2.x, 0 is black and 1 is white
Perceived brightness67 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.78:1
Contrast with white10.78:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#EFD553
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.78:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AC9210
Analogous#1078AC, #4410AC
Triadic#AC102A, #2AAC10
Split complementary#AC4410, #78AC10
Tetradic#AC1078, #AC9210, #10AC44
Tints, shades & saturation
Channel breakdown
R16
G42
B172
Red16 (6.3%)
Green42 (16.5%)
Blue172 (67.5%)
Hue230°
Saturation (HSL)82.98%
Lightness36.86%
Dominant channelBlue
Hex per channelR 10 · G 2A · B AC
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