Colour
#2D18AA
- #2D18AA
- Blue
- Dark
- Nearest: Dark blue
#2D18AA is a blue with RGB values 45, 24, 170 and HSL 249°, 75%, 38%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.
Colour values
#2D18AA#2D18AA
HEX#2D18AA
RGBrgb(45, 24, 170)
RGB (0–1)0.1765, 0.0941, 0.6667
RGB percentages17.6%, 9.4%, 66.7%
HSLhsl(248.6, 75.3%, 38%)
HSV / HSBhsv(248.6, 85.9%, 66.7%)
CMYK73.5%, 85.9%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,955,434
CSS custom property--colour: #2D18AA;
Brightness & contrast
Relative luminance0.04113WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.52:1
Contrast with white11.52:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#D2E755
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.52:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#95AA18
Analogous#184CAA, #7618AA
Triadic#AA2D18, #18AA2D
Split complementary#AA7618, #4CAA18
Tetradic#AA184C, #95AA18, #18AA76
Tints, shades & saturation
Channel breakdown
R45
G24
B170
Red45 (17.6%)
Green24 (9.4%)
Blue170 (66.7%)
Hue248.63°
Saturation (HSL)75.26%
Lightness38.04%
Dominant channelBlue
Hex per channelR 2D · G 18 · B AA
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