Colour
#182AAA
- #182AAA
- Blue
- Dark
- Nearest: Dark blue
#182AAA is a blue with RGB values 24, 42, 170 and HSL 233°, 75%, 38%. 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
#182AAA#182AAA
HEX#182AAA
RGBrgb(24, 42, 170)
RGB (0–1)0.0941, 0.1647, 0.6667
RGB percentages9.4%, 16.5%, 66.7%
HSLhsl(232.6, 75.3%, 38%)
HSV / HSBhsv(232.6, 85.9%, 66.7%)
CMYK85.9%, 75.3%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,583,786
CSS custom property--colour: #182AAA;
Brightness & contrast
Relative luminance0.04752WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.77:1
Contrast with white10.77:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#E7D555
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.77:1WCAG 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#AA9818
Analogous#1873AA, #4F18AA
Triadic#AA182A, #2AAA18
Split complementary#AA4F18, #73AA18
Tetradic#AA1873, #AA9818, #18AA4F
Tints, shades & saturation
Channel breakdown
R24
G42
B170
Red24 (9.4%)
Green42 (16.5%)
Blue170 (66.7%)
Hue232.6°
Saturation (HSL)75.26%
Lightness38.04%
Dominant channelBlue
Hex per channelR 18 · G 2A · B AA
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