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Recognised as Colour

#1915AA

  • #1915AA
  • Blue
  • Dark
  • Nearest: Dark blue

#1915AA is a blue with RGB values 25, 21, 170 and HSL 242°, 78%, 37%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1915AA#1915AA
HEX#1915AA
RGBrgb(25, 21, 170)
RGB (0–1)0.098, 0.0824, 0.6667
RGB percentages9.8%, 8.2%, 66.7%
HSLhsl(241.6, 78%, 37.5%)
HSV / HSBhsv(241.6, 87.6%, 66.7%)
CMYK85.3%, 87.6%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,643,946
CSS custom property--colour: #1915AA;

Brightness & contrast

Relative luminance0.03645WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.15:1
Contrast with white12.15:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#E6EA55

Colour vision & accessibility

Protanopia#003DAEno red cones; affects about 1% of men; ΔE 25.8 from the original
Deuteranopia#002EA8no green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#004864no blue cones; rare, and affects men and women equally; ΔE 81 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.15:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 10.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#A6AA15
Analogous#155CAA, #6315AA
Triadic#AA1915, #15AA19
Split complementary#AA6415, #5BAA15
Tetradic#AA155C, #A6AA15, #15AA64

Tints, shades & saturation

Lighter +40%#9B99F2
Lighter +30%#6F6BED
Lighter +20%#423EE7
Lighter +10%#201BD7
Darker −10%#120F7D
Darker −20%#0C0A4F
Darker −30%#050422
Darker −40%#000000
More saturated +25%#0500BF
Less saturated −25%#302D92

Channel breakdown

R25
G21
B170
Red25 (9.8%)
Green21 (8.2%)
Blue170 (66.7%)
Hue241.61°
Saturation (HSL)78.01%
Lightness37.45%
Dominant channelBlue
Hex per channelR 19 · G 15 · B AA

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Every value on this page was computed from “1915aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.