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Recognised as Colour

#45409F

  • #45409F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#45409F is a blue with RGB values 69, 64, 159 and HSL 243°, 43%, 44%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#45409F#45409F
HEX#45409F
RGBrgb(69, 64, 159)
RGB (0–1)0.2706, 0.251, 0.6235
RGB percentages27.1%, 25.1%, 62.4%
HSLhsl(243.2, 42.6%, 43.7%)
HSV / HSBhsv(243.2, 59.7%, 62.4%)
CMYK56.6%, 59.7%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,538,527
CSS custom property--colour: #45409F;

Brightness & contrast

Relative luminance0.07435WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.44:1
Contrast with white8.44:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#BABF60

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051A2no red cones; affects about 1% of men; ΔE 18.3 from the original
Deuteranopia#004A9Dno green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#175769no blue cones; rare, and affects men and women equally; ΔE 55.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.44:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.1Rebecca purple · ΔE 13.5Slate blue · ΔE 15.4Midnight blue · ΔE 17.1Royal blue · ΔE 21Medium purple · ΔE 23.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A9F40
Analogous#406B9F, #74409F
Triadic#9F4540, #409F45
Split complementary#9F7440, #6B9F40
Tetradic#9F406B, #9A9F40, #409F74

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6C4E7
Lighter +30%#A29FD9
Lighter +20%#7F7BCA
Lighter +10%#5C57BB
Darker −10%#35317B
Darker −20%#252356
Darker −30%#161432
Darker −40%#06050E
More saturated +25%#2C24BB
Less saturated −25%#5E5C83

Channel breakdown

R69
G64
B159
Red69 (27.1%)
Green64 (25.1%)
Blue159 (62.4%)
Hue243.16°
Saturation (HSL)42.6%
Lightness43.73%
Dominant channelBlue
Hex per channelR 45 · G 40 · B 9F

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Every value on this page was computed from “45409f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.