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Colour

#45409D

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

#45409D is a blue with RGB values 69, 64, 157 and HSL 243°, 42%, 43%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#45409D#45409D
HEX#45409D
RGBrgb(69, 64, 157)
RGB (0–1)0.2706, 0.251, 0.6157
RGB percentages27.1%, 25.1%, 61.6%
HSLhsl(243.2, 42.1%, 43.3%)
HSV / HSBhsv(243.2, 59.2%, 61.6%)
CMYK56.1%, 59.2%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,538,525
CSS custom property--colour: #45409D;

Brightness & contrast

Relative luminance0.07366WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.49:1
Contrast with white8.49:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#BABF62

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050A0no red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#00499Bno green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#1A5668no blue cones; rare, and affects men and women equally; ΔE 54.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.49:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.9Rebecca purple · ΔE 13.9Slate blue · ΔE 16.2Midnight blue · ΔE 16.9Royal blue · ΔE 21.6Medium purple · ΔE 23.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#989D40
Analogous#40699D, #74409D
Triadic#9D4540, #409D45
Split complementary#9D7440, #699D40
Tetradic#9D406A, #989D40, #409D74

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5C3E6
Lighter +30%#A19ED8
Lighter +20%#7E7AC9
Lighter +10%#5B56BA
Darker −10%#353179
Darker −20%#252255
Darker −30%#151430
Darker −40%#05050C
More saturated +25%#2C24B9
Less saturated −25%#5E5C81

Channel breakdown

R69
G64
B157
Red69 (27.1%)
Green64 (25.1%)
Blue157 (61.6%)
Hue243.23°
Saturation (HSL)42.08%
Lightness43.33%
Dominant channelBlue
Hex per channelR 45 · G 40 · B 9D

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